Miller'S Marinara - cooking recipe

Ingredients

1/4 cup canola oil
1 medium onion, chopped
1 (28 ounce) can crushed tomatoes
1 (8 ounce) can tomato sauce
1 (10.75 ounce) can tomato puree
2 1/2 tablespoons garlic powder
2 tablespoons dried oregano
2 tablespoons dried basil
2 tablespoons salt
2 tablespoons white sugar
2 teaspoons ground black pepper

Preparation

Heat the canola oil in a skillet over medium heat, and saute the onion until tender.
In a slow cooker, mix the onion and remaining oil, crushed tomatoes, tomato sauce, tomato puree, garlic powder, oregano, basil, salt, sugar, and pepper.
Cover slow cooker, and cook sauce 8 hours on Low.