Slow Cooker Marinara Sauce

Ingredients

• 2 tablespoons olive oil
• 0.25 cup finely chopped onion
• 3 tablespoons minced garlic, or more to taste
• 3 (14.5 ounce) cans tomato sauce
• 1 (6 ounce) can tomato paste
• 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

Steps

1. Warm the olive oil in a large skillet over medium heat, then sauté the onion and garlic until soft, about 5 minutes. Move them into a slow cooker.
2. Put the tomato sauce and tomato paste in the slow cooker and select Low. Cook while stirring for 3 to 4 minutes, until the paste melts. Stir in the wine, vinegar, basil, salt, pepper, cilantro, chili powder, paprika, oregano, bay leaves, sugar and cinnamon until thoroughly combined.
3. Cook with the slow cooker covered for 6 to 8 hours, stirring now and then, until reduced. Remove the bay leaves for serving.