Slow Cooker Marinara Sauce

Ingredients

• 2 tablespoons olive oil
• 0.25 cups finely chopped onion
• 3 tablespoons minced garlic , or more to taste
• 3 cans tomato sauce , 14.5 ounce
• 1 can tomato paste , 6 ounce
• 1 tablespoon red wine
• 1 tablespoon balsamic vinegar
• 1 tablespoon ground basil
• 1 teaspoon salt
• 1 teaspoon ground black pepper
• 1 teaspoon dried cilantro
• 1 teaspoon chili powder
• 1 teaspoon ground paprika
• 1 teaspoon ground oregano
• 2 large bay leaves
• 1 pinch white sugar
• 1 pinch ground cinnamon

Instructions

1. 1

   Heat olive oil in a large skillet over medium heat. Sauté onion and garlic in hot oil until soft, about 5 minutes. Transfer to a slow cooker.

2. 2

   Add tomato sauce and tomato paste to the slow cooker and set temperature to Low. Cook and stir until paste melts, 3 to 4 minutes. Add wine, vinegar, basil, salt, pepper, cilantro, chili powder, paprika, oregano, bay leaves, sugar, and cinnamon; stir until well combined.

3. 3

   Cover and cook, stirring occasionally, until reduced, 6 to 8 hours. Remove bay leaves to serve.