2. Beat the beef into minced meat.
3. carrots and onions are also broken.
4. Two tomatoes are also mashed.
5. Stir-fry minced garlic with a little olive oil, and pour in chopped vegetables and stir-fry until the water is gone.
6. a piece of butter, stir-fry the minced beef until it changes color.
7. Pour in tomato sauce.
8. Pour appropriate amount of water to boil and simmer for 20 minutes.
9. While cooking the meat sauce, cook the dough with water and salt for five minutes.
10. Pour chopped vegetables into the meat sauce and season with salt, rosemary and black pepper.
1 1. Stir-fry the flour with butter, and pour in a small amount of milk several times and mix well.
12. Boil as shown.
13. Sequence: dough+meat sauce+cheese slices+dough+white sauce+dough+meat sauce+cheese slices+dough+meat sauce+cheese.
14. Preheat the oven to 180, and finish.