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 Crockpot Tomato Sauce?

You need 12 ingredients. The key ingredients include: 2 tablespoons olive oil, 4 each onions diced (2 cups), 3 each carrots shredded, 1 each green bell peppers diced (1 cup), and more.

Is Crockpot Tomato Sauce suitable as general?

Yes, Crockpot Tomato Sauce falls under the General category and is a great choice for this type of meal.

How do I store leftover Crockpot Tomato Sauce?

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

Crockpot Tomato Sauce Recipe

Name: Crockpot Tomato Sauce
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 2 tablespoons olive oil; 4 each onions diced (2 cups); 3 each carrots shredded; 1 each green bell peppers diced (1 cup); 2 each garlic cloves finely chopped; 8 each tomatoes peeled, diced (8 cups); 1 each tomato paste can (6 ounces); 2 tablespoons brown sugar packed; 1 teaspoon salt; 2 teaspoons oregano dried; 2 teaspoons basil eaves, dried; 1/2 teaspoon black pepper

Try this homemade Crockpot Tomato Sauce recipe the whole family will love. Made with olive oil, onions, carrots and green bell peppers. Easy step-by-ste…

This Crockpot Tomato Sauce relies on simple, everyday ingredients such as olive oil, each onions diced (2 cups), each carrots shredded and brown sugar packed. It comes together quickly and makes 4 servings, at about 296 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 General

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.

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Crockpot Tomato Sauce

Tips for the best results

Variations & substitutions

My Personal Notes

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Frequently Asked Questions