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 Veggie-Loaded Marinara ?

You need 12 ingredients. The key ingredients include: 2 carrots, chopped, 2 celery stalks, chopped, 1 yellow onion, chopped, 1 red bell pepper, chopped, and more.

Is Slow Cooker Veggie-Loaded Marinara suitable as vegetarian?

Yes, Slow Cooker Veggie-Loaded Marinara falls under the Vegetarian category and is a great choice for this type of meal.

How do I store leftover Slow Cooker Veggie-Loaded Marinara ?

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

Slow Cooker Veggie-Loaded Marinara Recipe

Name: Slow Cooker Veggie-Loaded Marinara
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 2 carrots, chopped; 2 celery stalks, chopped; 1 yellow onion, chopped; 1 red bell pepper, chopped; 2 large cloves garlic, minced; 2 (28-ounce) containers whole peeled tomatoes, drained and crushed with your hands; 2 tablespoons tomato paste; 1 bay leaf; 1 teaspoon dried oregano; 1/2 cup fresh basil, chopped; 1/2 teaspoon salt; 1/8 teaspoon freshly cracked pepper

Try this homemade Slow Cooker Veggie-Loaded Marinara recipe the whole family will love. Made with carrots, celery stalks, yellow onion and red bell pepp…

This Slow Cooker Veggie-Loaded Marinara relies on simple, everyday ingredients such as carrots, chopped, celery stalks, chopped, yellow onion, chopped and red bell pepper, chopped. It comes together quickly and makes 4 servings, at about 141 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 Vegetarian

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

Feel free to swap in similar ingredients you already have on hand and adjust seasoning to taste.

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

My Personal Notes

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Slow Cooker Veggie-Loaded Marinara

Tips for the best results

Variations & substitutions

My Personal Notes

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