Transform your surplus of green tomatoes into a tangy and flavorful relish. This Green Tomato Relish is a perfect condiment to elevate your sandwiches, burgers, or even grilled meats. It's a delightful way to preserve the fresh taste of summer and enjoy it throughout the year.
If you don't usually have green tomatoes on hand, you might need to visit a farmer's market or a specialty grocery store to find them. Mustard seeds and celery seeds are also not common pantry items, so be sure to check the spice aisle at your supermarket. These ingredients are essential for adding depth and complexity to the relish.

Ingredients for Green Tomato Relish Recipe
Green tomatoes: Unripe tomatoes that provide a tart flavor and firm texture.
Onion: Adds a mild sweetness and depth to the relish.
Red bell pepper: Contributes a sweet and slightly fruity flavor, along with vibrant color.
White vinegar: Provides acidity to balance the sweetness and preserve the relish.
Sugar: Sweetens the relish and helps to balance the tartness of the tomatoes.
Salt: Enhances the overall flavor and helps to preserve the relish.
Mustard seeds: Adds a subtle, tangy flavor and a bit of texture.
Celery seeds: Imparts a slightly bitter, earthy flavor that complements the other ingredients.
Technique Tip for This Recipe
When chopping the green tomatoes, onion, and red bell pepper, aim for uniform pieces to ensure even cooking. This will help the relish achieve a consistent texture. Additionally, consider using a mandoline slicer for the onion and bell pepper to speed up the process and maintain uniformity.
Suggested Side Dishes
Alternative Ingredients
green tomatoes - Substitute with tomatillos: Tomatillos have a similar tartness and texture, making them a good alternative.
chopped onion - Substitute with shallots: Shallots offer a milder flavor and can be used in the same quantity.
chopped red bell pepper - Substitute with pimentos: Pimentos have a sweet flavor similar to red bell peppers and can be used in the same amount.
white vinegar - Substitute with apple cider vinegar: Apple cider vinegar has a similar acidity and a slightly fruity flavor that complements the relish.
sugar - Substitute with honey: Honey provides a natural sweetness and can be used in a slightly lesser amount due to its higher sweetness level.
salt - Substitute with kosher salt: Kosher salt has a similar flavor but is less dense, so you might need to use a bit more.
mustard seeds - Substitute with ground mustard: Ground mustard can provide a similar flavor, but use it in lesser quantity as it is more concentrated.
celery seeds - Substitute with celery salt: Celery salt can provide a similar flavor, but reduce the amount of additional salt in the recipe to balance the flavors.
Other Alternative Recipes Similar to This Relish
How to Store / Freeze This Relish
- Ensure your green tomato relish has cooled completely before storing. This helps maintain its texture and flavor.
- Use sterilized jars to store the relish. Sterilizing jars can be done by boiling them in water for 10 minutes or running them through a hot cycle in the dishwasher.
- Fill the jars with the relish, leaving about ½ inch of headspace at the top. This allows for expansion if you decide to freeze the relish.
- Seal the jars tightly with lids. If you plan to store the relish in the refrigerator, it can last for up to 2 months.
- For longer storage, consider freezing the relish. Place the sealed jars in the freezer, where they can be kept for up to 6 months.
- When ready to use, thaw the frozen relish in the refrigerator overnight. This gradual thawing helps preserve its texture.
- Always use a clean spoon to scoop out the relish to avoid contamination, which can shorten its shelf life.
- Label your jars with the date of preparation. This helps you keep track of how long the relish has been stored.
- If you notice any off smells, colors, or mold, discard the relish immediately to ensure food safety.
How to Reheat Leftovers
For a quick and easy method, place the green tomato relish in a microwave-safe dish. Cover it loosely with a microwave-safe lid or plastic wrap. Heat on medium power for 1-2 minutes, stirring halfway through to ensure even warming.
If you prefer a more traditional approach, transfer the relish to a small saucepan. Warm it over low heat, stirring occasionally, until it reaches your desired temperature. This method helps maintain the texture and flavor of the vegetables.
For a more gourmet touch, consider reheating the relish in a double boiler. Place the relish in a heatproof bowl over a pot of simmering water. Stir occasionally until warmed through. This gentle method prevents overcooking and preserves the vinegar and sugar balance.
If you’re using the green tomato relish as a topping for grilled meats or sandwiches, you can warm it directly on the grill or in a panini press. Place the relish in a small, heatproof dish and set it on the grill or press for a few minutes, stirring occasionally.
For a unique twist, try reheating the relish in a slow cooker. Set the slow cooker to low and let the relish warm for about 30 minutes, stirring occasionally. This method is perfect for parties or gatherings where you want to keep the relish warm for an extended period.
Best Tools for This Recipe
Large pot: Used to combine all the ingredients and cook the relish.
Cutting board: Provides a stable surface for chopping the tomatoes, onions, and bell peppers.
Chef's knife: Essential for chopping the vegetables finely and evenly.
Measuring cups: Used to measure out the vinegar, sugar, and chopped vegetables accurately.
Measuring spoons: Necessary for measuring the salt, mustard seeds, and celery seeds.
Wooden spoon: Ideal for stirring the relish as it simmers to prevent it from sticking to the pot.
Jars: Used for storing the cooled relish in the refrigerator.
Ladle: Helps in transferring the relish from the pot to the jars without making a mess.
Tongs: Useful for handling hot jars if needed.
Cooling rack: Allows the jars to cool evenly before refrigerating.
How to Save Time on Making This Relish
Pre-chop ingredients: Chop the green tomatoes, onion, and red bell pepper in advance and store them in airtight containers.
Use a food processor: Speed up the chopping process by using a food processor for uniform pieces.
Measure ahead: Measure out the vinegar, sugar, salt, mustard seeds, and celery seeds before starting.
Simmer efficiently: Use a wide pot to allow the relish to cook more evenly and reduce faster.
Sterilize jars: Sterilize your jars while the relish is simmering to save time.

Green Tomato Relish Recipe
Ingredients
Main Ingredients
- 2 lbs green tomatoes chopped
- 1 cup onion chopped
- 1 cup red bell pepper chopped
- 1 cup white vinegar
- 1 cup sugar
- 1 tablespoon salt
- 1 teaspoon mustard seeds
- 1 teaspoon celery seeds
Instructions
- 1. Combine all ingredients in a large pot.
- 2. Bring to a boil, then reduce heat and simmer for 1 hour, stirring occasionally.
- 3. Let cool, then transfer to jars and refrigerate.
Nutritional Value
Keywords
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