This hearty slow cooker tomato sauce is perfect for a comforting meal, packed with flavor and easy to prepare.
Prepare the ingredients by chopping the onion and slicing the mushrooms.
Chop the onion finely for a smoother sauce texture.
Add the crushed tomatoes, diced tomatoes, chopped onion, sliced mushrooms, and minced garlic to the slow cooker.
Layer the ingredients evenly for consistent cooking.
Sprinkle the sugar, oregano, basil, salt, and pepper over the ingredients in the slow cooker.
Adjust the seasoning to taste before cooking.
Set the slow cooker to low and cook for 6 to 8 hours.
Stir occasionally if possible to ensure even cooking.
Serve the sauce over your favorite pasta or use it as a base for other dishes.
Garnish with fresh basil or grated cheese for added flavor.