Classic Tomato Sauce

Ingredients

• 3 tbsp of oil (olive oil ideally)
• 2 cloves of garlic
• 1 large white onion
• 2 tsp of dried oregano or basil
• 2 cans of chopped tomatoes
• 1 tbsp of tomato purée
• 1 can of water (use can from tomatoes)
• Salt and pepper