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Home » Recipes

Sweetcorn Relish with Chilli

Published: Jun 6, 2022 · Modified: May 23, 2025 by Deborah · This post may contain affiliate links · This blog generates income via ads · #sponsoredpost · Leave a Comment

Sweetcorn relish with chilli in a yellow ramekin plus a large jar in the background with a bowl of crisps and a plate with a toastie and salad.
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This sweetcorn relish with chilli is the perfect blend of sweet, tangy, and spicy - ideal for burgers, hot dogs, cheese boards or grilled meats. A quick homemade condiment that’s full of flavour!

I've slightly adapted the recipe from one I found on the Sainsbury's magazine website.  I use frozen sweetcorn instead of fresh corn on the cob as I've always got a bag of frozen sweetcorn in the freezer.

It's a delicious relish ready in under 30 minutes, that's full of flavour, with a slight hint of chilli.   It's also great in a sandwich or toastie.

Tips

  • Additional ingredients:
    • add red or yellow pepper for sweetness.
    • add mustard seeds or celery seeds for extra tang.
  • Flavour variations:
    • Tropical twist - add diced mango or pineapple for a sweet island-style relish.
    • Tex-Mex style - stir in black beans, coriander and lime juice for a Mexican flair.
    • Smoky kick - add smoked paprika or chipotle chilli for a smoky undertone.
  • To sterilise glass jars, wash in hot, soapy water and rinse well. Dry in the oven for 15 to 20 minutes at 140C/fan 120C/gas mark 1 until hot and completely dry.  Boil metal lids and rubber seals for 10 minutes, then leave to dry.
  • Store unopened jars of relish in a cool, dark place for a few months. Chill once opened.
  • This sweetcorn relish with chilli recipe is easily adapted if you want to make less or more.

FREQUENTLY ASKED QUESTIONS

Can I use tinned corn? 

Yes - tinned corn is convenient but rinse it first to remove excess salt. 

How spicy is this relish? 

It’s totally customisable! Add more or less chilli depending on your taste. For a milder version, remove the seeds or use a milder chilli variety. 

How long does it keep? 

Keep it in an airtight jar in the fridge for up to 2 weeks.

Can I freeze sweetcorn relish? 

Yes - cool it completely and freeze it in airtight containers. The texture may change slightly after thawing but the flavour remains delicious. 

Can I make it sugar-free? 

Yes - use a sugar alternative like honey or maple syrup (note: this will affect the flavour and consistency slightly). 

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How to make this Sweetcorn Relish with Chilli

Ingredients

  • 500g frozen sweetcorn, defrosted in hot water and drained
  • 225ml cider vinegar
  • 125g caster sugar
  • 1.5 tsp sea salt
  • 3 tbsp cornflour
  • half a cucumber (approx. 190g), peeled, deseeded and cut into 5mm dice
  • 2 red chillies, deseeded and finely diced
  • 1 small red onion (approx. 90g), peeled and finely diced

Instructions

  1. Bring a pan of water to the boil, add the kernels and blanch for 1.5 minutes. Drain, and reserve 150ml of the cooking water.
  2. Heat the vinegar, sugar and salt in a medium saucepan, stirring to dissolve. Mix the cornflour with 3 tablespoons of the reserved cooking water to make a smooth paste, then whisk it into the vinegar mixture, along with the remaining cooking water, and bring to the boil. Add the kernels, cucumber, chillies and onion; simmer for 4 to 5 minutes, stirring until thickened. Pack into sterilised jars (see Tips) and leave to mellow for a few days before eating.

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Sweetcorn relish with chilli in a yellow ramekin plus a large jar in the background with a bowl of crisps and a plate with a toastie and salad.

Sweetcorn Relish with Chilli

By: Deborah
This sweetcorn relish with chilli is the perfect blend of sweet, tangy, and spicy — ideal for burgers, hot dogs, cheese boards or grilled meats. A quick homemade condiment that’s full of flavour!
PREP: 15 minutes minutes
COOK: 10 minutes minutes
TOTAL: 25 minutes minutes
Course: Condiment
Cuisine: American
Servings: 3 x 350ml jars
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Equipment

  • Saucepan
  • Colander

Ingredients

  • 500 g (1.1 lb) frozen sweetcorn defrosted in hot tap water and drained
  • 225 ml (1 cups) cider vinegar
  • 125 g (4.4 oz) caster sugar
  • 1.5 tsp sea salt
  • 3 tbsp cornflour
  • half a cucumber (approx. 190g) peeled, deseeded and cut into 5mm dice
  • 2 red chillies deseeded and finely diced
  • 1 small red onion (approx. 90g) peeled and finely diced

Instructions

  • Bring a pan of water to the boil, add the kernels and blanch for 1.5 minutes. Drain, and reserve 150ml of the cooking water.
  • Heat the vinegar, sugar and salt in a medium saucepan, stirring to dissolve. Mix the cornflour with 3 tablespoons of the reserved cooking water to make a smooth paste, then whisk it into the vinegar mixture, along with the remaining cooking water, and bring to the boil. Add the kernels, cucumber, chillies and onion; simmer for 4 to 5 minutes, stirring until thickened. Pack into sterilised jars (see Notes) and leave to mellow for a few days before eating.

Notes

  • Additional ingredients:
    • add red or yellow pepper for sweetness.
    • add mustard seeds or celery seeds for extra tang.
  • Flavour variations:
    • Tropical twist - add diced mango or pineapple for a sweet island-style relish.
    • Tex-Mex style - stir in black beans, coriander and lime juice for a Mexican flair.
    • Smoky kick - add smoked paprika or chipotle chilli for a smoky undertone.
  • To sterilise glass jars, wash in hot, soapy water and rinse well. Dry in the oven for 15 to 20 minutes at 140C/fan 120C/gas mark 1 until hot and completely dry.  Boil metal lids and rubber seals for 10 minutes, then leave to dry.
  • Store unopened jars of relish in a cool, dark place for a few months. Chill once opened.
  • This sweetcorn relish with chilli recipe is easily adapted if you want to make less or more.
You might also like to try:
  • condiments and sauces

Nutrition

Calories: 345kcal | Carbohydrates: 78g | Protein: 6g | Fat: 3g | Saturated Fat: 0.5g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 1g | Sodium: 1514mg | Potassium: 521mg | Fiber: 5g | Sugar: 53g | Vitamin A: 407IU | Vitamin C: 50mg | Calcium: 41mg | Iron: 1mg

Nutrition information is automatically calculated, so should only be used as an approximation.

KEYWORDS BBQ food, summer food, sweetcorn relish recipe, sweetcorn relish with chilli recipe, under 30 minutes
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About

Photo of Deborah in her kitchen!

Hello!   I’m Deborah and I’m married to David and have 2 lovely step sons.   David and I both love cooking…for ourselves, family and friends.   I’m definitely one of the lucky ones…getting cooked for and we enjoy cooking together.

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