Ingredients:Beef8 ounces of beef mince,Onion1 chopped onion, one garlic head chopped, 1 teaspoon of herbs finely chopped,Tomato sauce2 tablespoons (notSaucerather, a 2 yuan per can Merlin brand tomato sauce),Salt,Appropriate amount of light soy sauce,Rice wine1.5 tablespoons,Graperice wine appropriate amount,Olive oil2 tablespoons, a little sugar, half a cup of waterMain ingredients:Sesame seedsBread4 slices halved, gruyere cheeseCheese4 slices, yellowmustard sauceA little bit,Steps: 1 Heat oil in a pan, add chopped onion, garlic and herbs finely chopped, fry until the onion becomes soft, then add beef mince and stir-fry to change color, sprinkle with a little whiteWinefor 3 minutes.2 Add tomato sauce, water, rice wine vinegar, salt, light soy sauce andsugar,stir well and bring to a boil, then reduce heat and simmer slowly until the sauce reduces. Turn off the heat when the sauce is dry.3 Place one slice of cheese in each halved bread, put them in theovenand heat for 5 minutes until the cheese melts, then take out and place on a plate.4 Serve with the meat sauce spooned into the bread slightly compacted, add a little yellow mustard sauce or tomato sauce (sauce) if desired.StewTakethe meat sauceand spoon it out, placing it in the bread and pressing it slightly. Add some yellow mustard or tomato sauce (ketchup) as needed.