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Oven Roasted Tomato Ketchup

Real ketchup flavour you and your kids will love! Roasting the tomatoes in the oven gives you some ‘hands-off’ cooking time for this canning recipe.

By tastykitchen · From Open Recipes · 13 ingredients
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Oven Roasted Tomato Ketchup

Why it works: Pepper and clove match in chemistry and in kitchens. They rank in the top 5% of all ingredient pairs, and cooks put them together in 17,451 recipes. Both carry ethyl octanoate, which smells fruity, wine. The science ↓

Oven Roasted Tomato Ketchup

Serves 6
Prep1 hr
Cook2 hr

Ingredients

Directions

Step-by-step directions aren't available for this recipe. See the full recipe at the source →

Nutrition, whole recipe (rough)

206Calories
5 gProtein
2 gFat
47 gCarbs

Counts 12 of 14 ingredients. The other 2 aren't in our nutrition table and add nothing above, so the real totals are higher.

What these numbers assume: 12 portions
IngredientPortion assumedkcal
Sugar1 tbsp (12.5g) granulated49
Onion1 medium (110g)44
Bell Pepper1 medium (119g)31
Plum1 medium (66g)30
Tomato1 medium (123g)22
Clove1 tsp ground (2g)7
Celery Seed1 stalk (40g)6
Cinnamon1 tsp ground (2.6g)6
Allspice1 tsp ground (1.9g)5
Vinegar1 tbsp (15ml) distilled3
Mustard1 tsp (5g) yellow3
Salt1 tsp (6g)0
Seednot in our table0
Cidernot in our table0

One typical portion per ingredient; the recipe's quantities are not counted. A rough guide only, not for medical or dietary planning.

By tastykitchen. Recipe from Open Recipes.

Explore the science

The flavor team

The pairs that carry this dish. Each one is judged two ways: how much their aromas overlap, and how often cooks already put them together.

  1. Pepper + clovetop 5% of all pairs
    Smell alikestrong
    Cooked together17,451 recipes

    Shared aroma: ethyl octanoate (fruity, wine).

  2. Onion + mustardtop 6% of all pairs
    Smell alikestrong
    Cooked together9,259 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

  3. Plum + tomatotop 6% of all pairs
    Smell alikemoderate
    Cooked together1,480 recipes

    Shared aroma: 2,4-decadienal (seaweed).

  4. Cider + vinegartop 6% of all pairs
    Smell alikemoderate
    Cooked together3,431 recipes

    Shared aroma: 4-ethyl-2-methoxyphenol (smoky, clove).

  5. Tomato + peppertop 7% of all pairs
    Smell alikemoderate
    Cooked together17,923 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

Swap the onion

How well each one fits the dish's main ingredients (plum, tomato, pepper, cider, vinegar, mustard, clove):

  1. Capsicumfits better
  2. Cucumberfits better
  3. Lettucefits better
  4. Onionthe original

Fit is the average pairing score against plum, tomato, pepper, cider, vinegar, mustard, clove. Candidates are from the same food group and used in at least 100 recipes.