1. Coke barbecue sauce. Preparation materials: 2 tsp thin salt soy sauce, 2 tbsp tomato sauce, 2 tbsp lemon juice, appropriate amount of sugar substitute, 200ml Coke. Method: Mix all the above ingredients thoroughly, put them in a pot, and simmer over low heat for about 10-15 minutes. Features: Sweet and sour taste.

2. Miso barbecue sauce. Ingredients: 15 grams of miso, 1 tsp of mirin, 1 tsp of thin salt soy sauce, appropriate amount of sugar substitute, 50ml of boiling water. Method; mix all the above ingredients thoroughly.

3. Vegetarian barbecue sauce. 2 tablespoons of soy sauce, a quarter of a teaspoon of MSG, a little each of pepper and allspice.