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 Betty Crocker Slow Cooker Spaghetti Sauce ?

You need 13 ingredients. The key ingredients include: 2 pounds bulk Italian sausage or ground beef, 3 medium onions, chopped (2 1/4 cups), 2 cups sliced fresh mushrooms (6 ounces), 6 garlic cloves, finely chopped, and more.

Is Betty Crocker Slow Cooker Spaghetti Sauce suitable as pasta & noodles?

Yes, Betty Crocker Slow Cooker Spaghetti Sauce falls under the Pasta & Noodles category and is a great choice for this type of meal.

How do I store leftover Betty Crocker Slow Cooker Spaghetti Sauce ?

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

Betty Crocker Slow Cooker Spaghetti Sauce Recipe

Name: Betty Crocker Slow Cooker Spaghetti Sauce
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 2 pounds bulk Italian sausage or ground beef; 3 medium onions, chopped (2 1/4 cups); 2 cups sliced fresh mushrooms (6 ounces); 6 garlic cloves, finely chopped; 1 can (28 oz) diced tomatoes, undrained; 1 can (29 ounces) tomato sauce; 1 can (12 ounces) tomato paste; 2 tablespoons dried basil leaves; 1 tablespoon dried oregano leaves; 1 tablespoon sugar; 1 teaspoon salt; 1/2 teaspoon pepper; 1/2 teaspoon crushed red pepper

Try this homemade Betty Crocker Slow Cooker Spaghetti Sauce recipe the whole family will love. Made with Italian sausage, onions, mushrooms and garlic. …

This Betty Crocker Slow Cooker Spaghetti Sauce relies on simple, everyday ingredients such as (29 ounces) tomato sauce, (12 ounces) tomato paste, dried basil leaves and dried oregano leaves. It comes together quickly and makes 4 servings, at about 930 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.

My Personal Notes

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Betty Crocker Slow Cooker Spaghetti Sauce

Tips for the best results

Variations & substitutions

My Personal Notes

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Frequently Asked Questions