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A plate of spaghetti and meatballs with marinara sauce.

Slow Cooker Marinara Sauce

A hearty marinara sauce made with plenty of vegetables and spices make for a tasty sauce that's great served over top of pasta.
5 from 1 vote
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Prep Time: 25 minutes
Cook Time: 8 hours
Total Time: 8 hours 25 minutes
Author: Hezzi-D

Ingredients

  • 1 Tablespoon olive oil
  • 2 cups chopped onions
  • 1 Tablespoon brown sugar
  • 5 cloves garlic minced
  • 1 c. chopped green pepper
  • 1 pound fresh tomatoes chopped
  • 2 28 oz cans crushed tomatoes
  • 1 6 oz can tomato paste
  • ½ c. red wine
  • 1 teaspoon dried oregano
  • 1 teaspoon dried parsley
  • 1 teaspoon salt
  • 1 teaspoon black pepper

Instructions

  • Heat the olive oil in a skillet over medium heat. Add the onions and brown sugar and saute for 15 minutes, stirring occasionally, until the onions begin to caramelize.
  • Put the onions in the slow cooker and then add all the additional ingredients. Stir until everything is well combined.
  • Cook on low heat for 8 hours or high heat for 4 hours, stirring occasionally.
  • Check the seasonings, add more salt, pepper, or spices, and serve over top of pasta.

Notes

Recipe adapted from Caitlin's Cooking