Homemade tomato and spice ketchup

Homemade tomato and spice ketchup

Sauces

Homemade ketchup made with tomatoes, caramelized onions, red wine vinegar, and mild spices. Perfect with fries or burgers.

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Homemade ketchup, with a more intense flavor than store-bought versions, should be stored in tightly sealed bottles in the refrigerator.

Ingredients and directions

  • Prep time30 min
  • Cook time1 hr
  • Total1 hr 30 min
  • DifficultyMedium
  • CostModerate
  • Cooking methodMijotage
  • Estimated cost$22.20 $5.55 / serving Estimated price; varies by store. Converted from euros at the ECB rate of October 14, 2026.
  • Vegetarian
  • Vegan
  • Gluten-free
  • Low lactose

Ingredients

4 people
  • $12.89
  • $0.83
  • $0.07
  • $0.71
  • $0.36
  • $0.27
  • $3.03
  • $0.49
  • $3.35
  • $0.20

Prices from US supermarkets for 6 of 10 ingredients; Belgian prices for the rest.

Directions

  1. Sauté the onions in a pan for 15 minutes, until they are caramelized.
  2. Together, grind the fennel seeds, coriander seeds, and cloves in a mortar and pestle. ≈ 4 min
  3. Add the ginger, garlic, and chili peppers to the saucepan. ≈ 3 min
  4. Add the spice mixture. ≈ 3 min
  5. Season lightly with salt and pepper. ≈ 2 min
  6. Add the tomatoes and basil. ≈ 3 min
  7. Add the tomato sauce, red wine vinegar, and sugar. ≈ 4 min
  8. Cook over medium-low heat for 30 minutes, or until the surface is glossy.
  9. Extinguish the fire. ≈ 3 min
  10. If the basil is in leaf form rather than powdered, remove it. ≈ 3 min
  11. Combine all the ingredients. ≈ 4 min
  12. Pourage into bottles using a funnel. ≈ 3 min

The bill

Homemade tomato and spice ketchup

  • 1 kg of tomatoes and some blackberries$12.89
  • 4 onions, diced$0.83
  • 2 tablespoons of fennel seeds$0.07
  • 2 tablespoons of cilantro seeds$0.71
  • 4 cloves of garlic$0.36
  • pepper and salt$0.27
  • 1 cup of prepared tomato sauce$3.03
  • 250 ml of red wine vinegar$0.49
  • sugar, to counteract the acidity of the tomatoes$3.35
  • One handful of basil$0.20

Total$22.20

that's $5.55 per person

Estimated price; varies by store.

Before you start

Ingredients

  • 1 kg of tomatoes and some blackberries
  • 4 onions, diced
  • 2 tablespoons of fennel seeds
  • 2 tablespoons of cilantro seeds
  • 4 cloves of allspice
  • 2 teaspoons of ginger
  • 4 cloves of garlic
  • 1 or 2 dried chili peppers
  • pepper and salt
  • 1 cup of prepared tomato sauce
  • 250 ml of red wine vinegar
  • sugar, to counteract the acidity of the tomatoes
  • One handful of basil

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