What to Look For When Buying Canned Tomatoes: A Comprehensive Guide

Canned tomatoes. A pantry staple. A culinary workhorse. From hearty pasta sauces to vibrant salsas, and comforting stews, these little cans hold the key to countless delicious dishes. But with a dizzying array of options lining grocery store shelves, how do you choose the best canned tomatoes for your cooking needs? Navigating labels, understanding processing methods, and discerning quality can feel overwhelming. This comprehensive guide will arm you with the knowledge to confidently select the perfect canned tomatoes every time.

Understanding the Different Types of Canned Tomatoes

The first step in your canned tomato journey is understanding the various types available. Each type offers a unique texture, flavor profile, and best-use scenario. Choosing the right type can dramatically impact the outcome of your dish.

Whole Peeled Tomatoes: The Versatile Base

Whole peeled tomatoes are exactly what they sound like: whole tomatoes that have had their skins removed and are packed in tomato juice or purée. They offer the most flexibility in the kitchen. You can crush them for a chunky sauce, purée them for a smooth soup, or chop them for a flavorful addition to a stew. They are generally the most economical option. The best whole peeled tomatoes will be firm and consistently sized, with a bright red color. Look for cans with minimal added ingredients – just tomatoes, tomato juice, and perhaps a touch of salt or citric acid.

Diced Tomatoes: Convenience and Texture

Diced tomatoes are pre-cut into small, uniform pieces. They are often packed with tomato juice and sometimes include herbs and spices for added flavor. Diced tomatoes are a convenient option when you want a chunky texture without the effort of chopping. They’re great for chili, stews, and salsas. Be mindful of added seasonings. While some pre-seasoned options can be convenient, they can also mask the true flavor of the tomatoes. Opt for plain diced tomatoes when you want more control over the final flavor profile of your dish. Some diced tomatoes include calcium chloride to help them retain their shape during processing. This can be beneficial for maintaining texture, but it can also result in a slightly firmer, less melt-in-your-mouth tomato.

Crushed Tomatoes: The Sauce Starter

Crushed tomatoes offer a semi-smooth texture, somewhere between whole peeled and puréed tomatoes. They are ideal for making quick and easy pasta sauces. They provide a good balance of flavor and texture, offering a slightly rustic feel to your dishes. Look for crushed tomatoes with a rich, vibrant color and a slightly thicker consistency. Avoid cans that appear watery or have a dull, brownish hue.

Tomato Purée: Smoothness and Depth

Tomato purée is made by cooking and straining tomatoes to create a smooth, thick liquid. It’s an excellent base for sauces, soups, and stews where you want a silky texture and concentrated tomato flavor. It’s also a key ingredient in many tomato paste-based sauces. Tomato purée is typically unseasoned, allowing you to customize the flavor to your liking. Look for a purée that is thick and rich, with a deep red color. Avoid purées that are thin, watery, or have a burnt flavor.

Tomato Paste: Concentrated Flavor

Tomato paste is made by cooking tomatoes for a long period to reduce their water content, resulting in a thick, highly concentrated paste. It adds depth of flavor and richness to sauces, stews, and soups. A little goes a long way. Tomato paste is often sold in small cans or tubes. It’s essential to store opened tomato paste properly to prevent spoilage. Transfer it to an airtight container and refrigerate for up to a week, or freeze it in small portions for longer storage. Look for a tomato paste with a deep red color and a smooth, even consistency.

Stewed Tomatoes: A Flavorful Combination

Stewed tomatoes are diced tomatoes that have been cooked with added ingredients such as onions, peppers, celery, and spices. They offer a convenient way to add flavor and vegetables to your dishes. They are great for casseroles, stews, and skillet meals. Be sure to read the ingredient list carefully, as the quality and quantity of added ingredients can vary widely. Some brands may use excessive amounts of sugar or salt.

Decoding the Label: What to Look For

The label on a can of tomatoes contains valuable information that can help you make an informed decision. Understanding what to look for will ensure you choose a product that meets your needs and expectations.

Ingredient List: Simplicity is Key

The ingredient list is your first stop. Look for cans with a short and simple list of ingredients. Ideally, it should contain only tomatoes, tomato juice or purée, and perhaps a touch of salt or citric acid. Avoid cans with excessive added sugar, artificial flavors, or preservatives. The fewer ingredients, the more you’re tasting the natural flavor of the tomatoes.

Nutrition Facts: Sodium Content

Pay attention to the sodium content per serving. Canned tomatoes can be a significant source of sodium, so it’s important to be mindful of your intake, especially if you are watching your sodium levels. Look for low-sodium or no-salt-added options to control the sodium content of your dishes. You can always add salt to taste during cooking.

“Packed In” Liquid: Juice vs. Purée

Note whether the tomatoes are packed in tomato juice or tomato purée. Tomatoes packed in juice will generally have a fresher, brighter flavor, while those packed in purée will have a richer, more concentrated flavor. Consider which flavor profile best suits your cooking needs.

Certifications: Organic and Non-GMO

If you prefer organic or non-GMO products, look for certifications on the label. Organic certification ensures that the tomatoes were grown without the use of synthetic pesticides or fertilizers. Non-GMO certification indicates that the tomatoes are not genetically modified. These certifications can provide peace of mind for consumers who prioritize these factors.

Best By Date: Freshness and Quality

Check the “best by” date to ensure the tomatoes are fresh. While canned goods have a long shelf life, the flavor and quality can degrade over time. Choose cans with a “best by” date that is as far in the future as possible. This indicates that the tomatoes were processed more recently.

Quality Indicators: Assessing the Tomatoes Inside

Beyond the label, there are visual and sensory cues that can help you assess the quality of canned tomatoes. These indicators can give you a sense of the flavor and texture before you even open the can.

Can Condition: Dents and Bulges

Carefully inspect the can for any signs of damage. Avoid cans that are dented, bulging, or rusty. These imperfections can indicate that the can’s seal has been compromised, which can lead to spoilage. Any sign of damage should be a red flag, as it could potentially lead to botulism.

Color and Consistency: Rich and Vibrant

When you open the can, observe the color and consistency of the tomatoes. They should have a rich, vibrant red color. Avoid cans with tomatoes that are dull, brownish, or have a watery consistency. A bright red color indicates that the tomatoes were processed at their peak ripeness.

Aroma: Fresh and Tomatoey

Give the tomatoes a sniff. They should have a fresh, tomatoey aroma. Avoid cans with a sour, metallic, or off-putting smell. A pleasant aroma is a sign of good quality and proper processing.

Taste Test: The Ultimate Judge

The ultimate test is the taste test. Sample a small amount of the tomatoes before using them in your recipe. They should have a balanced flavor, with a touch of sweetness and acidity. Avoid cans with tomatoes that are overly acidic, bitter, or bland. The taste test will give you a definitive sense of the flavor profile and help you determine if they are suitable for your intended use.

Understanding Processing Methods: Hot Break vs. Cold Break

The way tomatoes are processed can significantly affect their flavor and texture. Two primary processing methods are used: hot break and cold break.

Hot Break: Rich and Intense Flavor

In the hot break method, tomatoes are heated to a high temperature (around 190°F) shortly after being crushed. This inactivates enzymes that can degrade the pectin in the tomatoes, resulting in a thicker, more viscous product. Hot break tomatoes typically have a richer, more intense flavor and a smoother texture. They are ideal for sauces and soups where a concentrated tomato flavor is desired.

Cold Break: Fresh and Bright Flavor

In the cold break method, tomatoes are processed at a lower temperature (around 140°F). This preserves more of the tomatoes’ natural enzymes and volatile compounds, resulting in a fresher, brighter flavor. Cold break tomatoes tend to have a thinner consistency and a more delicate flavor. They are well-suited for dishes where you want the fresh tomato flavor to shine through, such as salsas and gazpacho. Unfortunately, this information is rarely printed on the can label, so you may need to research specific brands to determine their processing method.

Canned Tomatoes vs. Fresh Tomatoes: When to Choose Which

While fresh tomatoes are undoubtedly delicious, canned tomatoes offer several advantages in certain situations. Understanding the pros and cons of each will help you make the best choice for your cooking needs.

Canned tomatoes are often picked at their peak ripeness and processed immediately, which helps to preserve their flavor and nutrients. They are also readily available year-round, regardless of the season. Canned tomatoes are a convenient and cost-effective option when fresh tomatoes are out of season or of poor quality.

Fresh tomatoes, on the other hand, offer a brighter, more vibrant flavor and a firmer texture. They are ideal for salads, sandwiches, and other dishes where you want the raw tomato flavor to be the star. Fresh tomatoes are best used during their peak season when they are at their ripest and most flavorful.

Ultimately, the choice between canned and fresh tomatoes depends on your personal preferences, the availability of fresh tomatoes, and the specific requirements of your recipe.

Storage Tips for Canned Tomatoes

Proper storage is essential for maintaining the quality and safety of canned tomatoes.

Unopened cans of tomatoes should be stored in a cool, dry place away from direct sunlight and heat. Properly stored canned tomatoes can last for several years.

Once opened, canned tomatoes should be transferred to an airtight container and refrigerated. Refrigerated opened canned tomatoes should be used within 5-7 days.

You can also freeze leftover canned tomatoes for longer storage. Frozen canned tomatoes can be stored for up to 2-3 months. However, freezing can alter the texture of the tomatoes, so they are best used in cooked dishes rather than fresh applications.

Regional Varieties and Brands

Just like fresh tomatoes, canned tomatoes can vary in flavor depending on the variety of tomato used and the region where they are grown. Some regions are known for producing particularly high-quality canned tomatoes.

For example, San Marzano tomatoes, grown in the Agro Sarnese-Nocerino region of Italy, are prized for their sweet, rich flavor and low acidity. San Marzano tomatoes are often considered the gold standard for canned tomatoes.

Similarly, some brands have established a reputation for producing high-quality canned tomatoes. Experimenting with different brands and regional varieties can help you discover your favorites.

Choosing the right canned tomatoes can elevate your cooking from good to great. By understanding the different types of canned tomatoes, decoding the label, assessing quality indicators, and considering processing methods, you can confidently select the perfect canned tomatoes for any dish. Happy cooking!

What are the different forms of canned tomatoes available, and when should I use each?

Canned tomatoes come in several forms, each suited for different culinary applications. Whole peeled tomatoes are best for sauces and soups where you want to control the size and texture. Diced tomatoes, often with added calcium chloride to maintain their shape, are perfect for salsas, stews, and recipes where you want distinct tomato pieces. Crushed tomatoes are ideal for a smoother sauce base, while tomato puree provides the most liquid and concentrated tomato flavor for soups and smooth sauces.

Tomato paste is a highly concentrated form of tomatoes, used to thicken sauces and add intense tomato flavor. Tomato sauce, often seasoned, is a convenient base for pizzas and pasta dishes. Understanding the differences will help you choose the best product for your recipe and desired outcome.

What ingredients should I avoid when purchasing canned tomatoes?

When selecting canned tomatoes, prioritize products with minimal ingredients. Ideally, the ingredient list should contain only tomatoes, tomato juice, and perhaps a touch of salt. Be wary of added sugar, which can mask the natural acidity of the tomatoes and contribute unnecessary sweetness. Similarly, avoid products with excessive sodium or artificial preservatives, flavorings, or coloring agents.

Check the label for calcium chloride, often added to diced tomatoes to help them retain their shape. While not harmful, some people prefer to avoid it for a more natural texture. Always review the ingredient list carefully to ensure you are purchasing a product that aligns with your dietary preferences and health goals.

Is it better to buy organic or non-organic canned tomatoes?

Choosing organic versus non-organic canned tomatoes is a matter of personal preference and budget. Organic tomatoes are grown without synthetic pesticides and fertilizers, which some consumers prefer for health and environmental reasons. Certified organic tomatoes are subject to strict regulations and inspections, ensuring compliance with organic standards.

Non-organic canned tomatoes are generally more affordable, but may have been treated with synthetic pesticides and fertilizers. If you are concerned about pesticide residue, washing non-organic tomatoes before processing can help reduce their levels. Ultimately, the decision depends on your priorities and what you value in your food choices.

What does “packed in tomato juice” or “packed in puree” mean, and why is it important?

“Packed in tomato juice” means the tomatoes are canned in a liquid consisting of the juice extracted from ripe tomatoes. “Packed in puree” indicates the tomatoes are submerged in a thicker, smoother tomato concentrate. The packing liquid contributes to the overall flavor and moisture content of the product.

Choosing tomatoes packed in juice or puree can affect the final outcome of your dish. Tomatoes packed in juice tend to have a fresher, slightly more acidic flavor, while those packed in puree offer a richer, more concentrated tomato taste. Consider the desired flavor profile and texture of your recipe when making your selection.

How can I tell if a can of tomatoes has gone bad or is unsafe to eat?

Several signs indicate that canned tomatoes may have spoiled. First, inspect the can itself. Avoid cans that are bulging, dented, or rusted, as these can be signs of bacterial contamination. If the can looks normal, listen for a hissing sound when opening it, which can also indicate spoilage.

Once opened, examine the tomatoes for discoloration, mold, or an unusual odor. If the tomatoes appear slimy or have an off-putting smell, discard the entire can immediately. Even if the tomatoes look and smell normal, it is always best to err on the side of caution and avoid consuming them if you have any doubts about their safety.

How should I store canned tomatoes once opened?

Once a can of tomatoes is opened, it’s crucial to store any unused portion properly to prevent spoilage. Transfer the remaining tomatoes to an airtight container made of glass or food-grade plastic. Avoid storing them in the opened can, as the metal can react with the acidic tomatoes and affect their flavor and quality.

Refrigerate the container of tomatoes immediately after opening. Properly stored, opened canned tomatoes can last for approximately 5 to 7 days in the refrigerator. Always check for any signs of spoilage before using them.

Are fire-roasted canned tomatoes worth the extra cost?

Fire-roasted canned tomatoes offer a distinct smoky and slightly charred flavor that sets them apart from regular canned tomatoes. This unique flavor is achieved by roasting the tomatoes over an open flame before canning, which caramelizes their natural sugars and adds depth to their taste profile. For recipes where you want a bolder, more complex tomato flavor, fire-roasted tomatoes can be a worthwhile investment.

While fire-roasted tomatoes may be slightly more expensive, their enhanced flavor can elevate dishes like chili, salsa, soups, and stews. If you are looking to add a touch of sophistication and smoky richness to your cooking, fire-roasted canned tomatoes are a convenient and flavorful option to consider.