Preparation materials: 1 onion, tomato sauce, butter, black pepper, oregano leaves, sugar, salt

1, prepare the ingredients: tomato sauce, black pepper, butter, sugar, onion.

2. Dice the onion and mince the garlic.

3. Put the diced onion and minced garlic into a blender and puree.

4: Pour oil into a pot, and when the oil is hot, add the butter.

5. When the butter is melted, add the diced onion and sauté to taste, then add the tomato paste, black pepper, sugar, oregano and water.

6, and finally sauté until the sauce is cooked.