1. Prepare ingredients and seasonings: flour, baking powder, cheese, tomato sauce, rosemary, ground basil, pepper, onion, bacon, mushrooms and sausage.

2. Cut the onion, bacon, mushrooms and sausages for later use.

3. Add baking powder to flour, add water and stir, knead into dough, and wake up for half an hour.

4. Press the dough into nine inches with a rolling pin, and poke holes evenly on the cake with a fork.

5. Add the spare ingredients in turn, sprinkle with appropriate amount of rosemary, chopped basil and pepper respectively, and sprinkle with appropriate amount of cheese on the top layer.

6. put it in the oven and heat it at 22 degrees for 2 minutes.

7. This will make a delicious pizza.