Tomato Sauce

Ingredients

• Olive oil
• 1 onion, chopped
• 4 sticks celery, chopped
• 2 bell peppers, chopped
• 2 tbsp garlic, minced
• 1 lb ground Italian sausage
• 32 oz canned diced tomatoes
• 16 oz canned tomato sauce
• 6 oz canned tomato paste
• Salt
• Pepper
• Italian seasoning