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 Crock-Pot Spaghetti?

You need 13 ingredients. The key ingredients include: 2 lb. ground chuck, 1 medium onion, finely chopped, 1 green pepper, finely chopped, 2 (15 oz.) cans tomato sauce, and more.

Is Crock-Pot Spaghetti suitable as pasta & noodles?

Yes, Crock-Pot Spaghetti falls under the Pasta & Noodles category and is a great choice for this type of meal.

How do I store leftover Crock-Pot Spaghetti?

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

Crock-Pot Spaghetti Recipe

Name: Crock-Pot Spaghetti
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 2 lb. ground chuck; 1 medium onion, finely chopped; 1 green pepper, finely chopped; 2 (15 oz.) cans tomato sauce; 2 (12 oz.) cans tomato paste; 1 (7 1/2 oz.) can green olives, drained and sliced; 2 envelopes Italian style spaghetti sauce with mushrooms; 1 small can mushrooms, drained; 3 c. water; 1 tsp. sugar; 1 tsp. oregano; 2 cloves garlic, crushed; 1 bay leaf, crumbled

Try this homemade Crock-Pot Spaghetti recipe the whole family will love. Made with ground chuck, onion, green pepper and tomato sauce. Easy step-by-step…

This Crock-Pot Spaghetti relies on simple, everyday ingredients such as ground chuck, medium onion, finely chopped, green pepper, finely chopped and (15 oz.) cans tomato sauce. It comes together quickly and makes 4 servings, at about 58 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 Pasta & Noodles

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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Crock-Pot Spaghetti

Tips for the best results

Variations & substitutions

My Personal Notes

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Frequently Asked Questions