Recipe

Sweet Corn Relish

A sweet-tangy, spoonable corn relish with peppers and onion, simmered just enough to keep kernels plump and crisp.

By Matt Campbell

•

4.8

A small glass jar filled with glossy sweet corn relish with yellow corn kernels, diced red bell pepper, and onion on a bright kitchen counter, a spoon resting beside it

I love a condiment that does not just sit there looking pretty. This sweet corn relish actually does something. It wakes up a hot dog, saves a boring burger night, and turns a pot of beans into something you keep “taste testing” straight from the stove.

This is a spoonable relish of corn, pepper, and onion in a sweet-tangy vinegar syrup. It is not canned and it does not need a water bath. We simmer it briefly so the kernels stay plump, then let the fridge do the rest.

Fresh corn, a red bell pepper, a green bell pepper, a small onion, garlic, vinegar, sugar, and spices arranged on a wooden cutting board

Why It Works

Quick simmer, plump kernels: We cook the syrup first, then simmer the veggies just 6 to 8 minutes so the corn stays juicy instead of wrinkly.
Sweet-tangy balance: Apple cider vinegar brings the zing, sugar rounds it out, and a pinch of celery seed gives that classic relish vibe.
Flexible corn options: Fresh summer corn is amazing, but frozen works year-round with one small tweak.
Fridge friendly: No canning gear, no water bath. Just cool, jar, chill, and snack responsibly.

Pairs Well With

Storage Tips

Refrigerator: Store in a clean jar or airtight container in the fridge for 10 to 14 days. For best flavor, let it chill at least 4 hours before serving, and overnight is even better.

Keep it fresh: Use a clean utensil each time you scoop. If you see mold, notice an off smell, see bubbling that was not there before, or the lid spurts when opened, discard it.

Food safety note: This is a refrigerator relish, not shelf-stable canning. Keep it cold and do not store it at room temperature.

Freezing: You can freeze it, but for best texture aim to use it within 2 months. The peppers and onion will soften more after thawing. Still great stirred into beans or spooned over grilled meats.

A lidded glass jar of sweet corn relish on a refrigerator shelf next to other condiments

Common Questions

Fresh vs frozen corn, which is better?

Fresh corn gives the sweetest pop and best texture, especially in peak season. Frozen corn is totally valid and I use it constantly. The key is to thaw and drain it first, then keep the simmer short so it does not turn mushy.

Do I need to cook the corn first?

Nope. Fresh kernels cook quickly in the vinegar syrup. You are just taking the raw edge off and lightly tenderizing the peppers and onion.

How long should I simmer it?

Once everything goes into the pot, simmer 6 to 8 minutes. You want the relish hot and glossy, the peppers slightly softened, and the corn still plump. If you simmer 15 to 20 minutes, it will taste good but the texture gets jammy.

Will it thicken?

Yes, but not right away. It can look a little loose while it is warm. After a few hours in the fridge, the syrup thickens and the flavors settle in.

Can I make it spicy?

Absolutely. Add 1 minced jalapeño (seeds removed for medium, seeds in for hotter) with the peppers, or add a pinch of crushed red pepper flakes.

What do I serve sweet corn relish with?

My favorites are hot dogs, burgers, and beans. It is also great on pulled pork, grilled chicken, bratwursts, tacos, and even scrambled eggs if you are feeling bold. I like it best served cold or cool room temp, not piping hot.

Matt Campbell

I have always had a huge passion for the culinary arts, people, working as a team, and so on. I wanted to pursue my love for cooking initially at Virginia Commonwealth University with a culinary arts degree; however, I instead decided to apply myself and acquire more practical skills. My end goal is to eventually open my own restaurant or similar establishment.

Kitchen Essentials

Medium saucepan
Cutting board and sharp knife
Measuring cups and spoons
Wooden spoon or silicone spatula
Fine mesh strainer (helpful for draining thawed frozen corn)
Clean jar or airtight container for storage

The first time I made corn relish at home, I did what every slightly overconfident cook does and simmered it forever because I thought “more time equals more flavor.” Tasted great, texture was not it. The corn got kind of wrinkly, like it had seen some things.

Now I keep it moving: syrup first, veggies in, quick simmer, done. The corn stays juicy, the peppers stay bright, and I end up putting it on everything. Which is the whole point of a relish, honestly.

Sweet Corn Relish

(4.8 Reviews)

Prep Time 15 minutes

Cook Time 12 minutes

Total Time 27 minutes (plus chilling)

Servings Makes about 3 cups

Ingredients

Corn: 3 cups fresh corn kernels (from about 4 ears, about 450g) or 3 cups frozen corn, thawed and well drained
1/2 cup red bell pepper, finely diced
1/2 cup green bell pepper, finely diced
1/2 cup yellow or sweet onion, finely diced
2 cloves garlic, finely minced
2/3 cup apple cider vinegar
1/2 cup granulated sugar
1/4 cup water
1 1/4 teaspoons kosher salt
1/2 teaspoon celery seed
1/4 teaspoon ground turmeric (optional, for classic relish color)
1/4 teaspoon black pepper
Optional heat: 1 jalapeño, minced, or 1/4 teaspoon crushed red pepper flakes
Optional twist: 1 teaspoon yellow mustard seeds

Finely diced red and green bell peppers and onion piled on a cutting board with a chef's knife

Instructions

Prep the corn. If using fresh corn, cut kernels off the cob. A trick I love is standing the cob upright in a wide bowl and slicing downward so the kernels drop right in. If using frozen, thaw completely and drain well so the relish does not get watery.
Make the sweet-tangy syrup. In a medium saucepan over medium heat, combine the apple cider vinegar, sugar, water, salt, celery seed, turmeric (if using), and black pepper. Heat, stirring, until the sugar dissolves, then bring it to a gentle simmer.
Add the veggies. Add the corn, diced peppers, onion, and garlic (plus jalapeño or red pepper flakes if using). Stir well.
Simmer briefly to keep kernels plump. Keep it at a gentle simmer and cook for 6 to 8 minutes, stirring occasionally. You want the peppers slightly tender and the corn still juicy with a little snap.
Texture cue: The syrup should look glossy and just barely thicker, not reduced into something sticky. It will thicken more once chilled.
Cool, then chill. Remove from heat and let cool for 20 to 30 minutes. Transfer to a clean jar or airtight container, including the syrup. Refrigerate at least 4 hours before serving. Overnight is even better.
Serve. Spoon onto hot dogs, burgers, or into a bowl of beans. Try it on grilled chicken or stirred into mayo for an instant sandwich spread. I like it best cold or at cool room temp.