How many servings does this recipe make?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

What ingredients do I need for Slow Cooker Easy Tomato Ketchup Recipe IDONTWASTEFISHHEADS?

You need 14 ingredients. The key ingredients include: 1 (800g) can tomato puree, 1 small onion, chopped, 1 medium shallot, chopped, 1/2 cup cider vinegar, and more.

Is Slow Cooker Easy Tomato Ketchup Recipe IDONTWASTEFISHHEADS suitable as seafood?

Yes, Slow Cooker Easy Tomato Ketchup Recipe IDONTWASTEFISHHEADS falls under the Seafood category and is a great choice for this type of meal.

How do I store leftover Slow Cooker Easy Tomato Ketchup Recipe IDONTWASTEFISHHEADS?

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

Slow Cooker Easy Tomato Ketchup Recipe IDONTWASTEFI

Name: Slow Cooker Easy Tomato Ketchup Recipe IDONTWASTEFISHHEADS
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 (800g) can tomato puree; 1 small onion, chopped; 1 medium shallot, chopped; 1/2 cup cider vinegar; 1/4 cup firmly packed light or dark brown sugar; 1 tsp dry mustard; 1/4 tsp ground allspice; 1/4 tsp ground cinnamon; 1/4 tsp ground nutmeg; 1/4 tsp ground ginger; 1/4 tsp ground cloves; 1/4 tsp ground red pepper flakes; salt, to taste; black pepper, to taste

Try this homemade Slow Cooker Easy Tomato Ketchup Recipe IDONTWASTEFISHHEADS recipe the whole family will love. Made with tomato puree, onion, shallot a…

This Slow Cooker Easy Tomato Ketchup Recipe IDONTWASTEFISHHEADS relies on simple, everyday ingredients such as (800g) can tomato puree, small onion, chopped, medium shallot, chopped and cider vinegar. It comes together quickly and makes 4 servings, at about 70 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.

Updated Jun 30, 2026

Serves 4 Seafood

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Brown sugar instead of white sugar adds a deeper, more caramel-like flavor.

No specific allergen information. Please check the ingredient list for possible allergens.

My Personal Notes

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Slow Cooker Easy Tomato Ketchup Recipe IDONTWASTEFISHHEADS

Tips for the best results

Variations & substitutions

My Personal Notes

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