Go Back
–+ servings
marinara sauce on a spoon coming from slow cooker
Print Recipe
4.72 from 7 votes

Slow Cooker Marinara Sauce Recipe

This rich and versatile Slow Cooker Marinara is packed with classic Italian flavors and perfect for pasta, pizza, or dipping!
Prep Time15 minutes
Cook Time8 hours
Total Time8 hours 15 minutes
Course: main
Cuisine: American
Servings: 12 cups
Author: Sarah Olson

Equipment

Ingredients

  • 84 oz. crushed tomatoes (three 28 oz. cans)
  • 29 oz. diced tomatoes (two 14.5 oz. cans)
  • 1 large white onion diced
  • 3 garlic cloves minced
  • 1 Tbsp. dried oregano
  • 1 Tbsp. dried basil
  • 2 tsp. sea salt standard table salt works fine
  • ½ tsp. pepper
  • 2 tsp. sugar
  • ½ tsp. onion powder
US Customary - Metric

Instructions

  • Add the crushed tomatoes, diced tomatoes, onion, garlic, oregano, basil, salt, pepper, sugar, and onion powder to the slow cooker and stir until combined.
  • Cover and cook on LOW for 8 hours or HIGH for 4 hours, without opening the lid during the cooking time.
  • Stir. Serve immediately, or store for later use.

Video

Notes

This is not a canning recipe; canning tomatoes needs a special formula of acidity. This recipe is great for freezing though!

Nutrition

Calories: 85kcal | Carbohydrates: 20g | Protein: 4g | Fat: 1g | Saturated Fat: 1g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 1g | Sodium: 657mg | Potassium: 743mg | Fiber: 5g | Sugar: 11g | Vitamin A: 517IU | Vitamin C: 26mg | Calcium: 107mg | Iron: 4mg

QR code

Scan this QR code with your phone's camera to view this recipe on your mobile device.

qr code