1. Scald and peel the tomatoes with boiling water, and beat them into tomato juice with Blender
2. Stir fry olive oil, onion and bean protein,
3. Stir fry tomato sauce, then pour in tomato juice,
4. Add two pieces of salt and fragrant leaves and cover with black pepper. Cook for 30 minutes.
5. Open the lid halfway to taste, add sugar with acid and salt with light. Boil spaghetti with salt and control water,
6. Pour tomato sauce and sprinkle with cheese.
7. Add cheese and bake in oven, i.e. plain lasagna.