1. Mix the yeast with appropriate amount of warm water and stir well; add salt and sugar to the flour, pour in the yeast water, stir into floc with chopsticks, and add a little olive oil;
2. Knead it into a smooth dough with your hands and leave it in a warm place to ferment;
3. The fermented dough is then kneaded into a ball for later use;
4. Prepare fillings;
5. Cut the cherry tomatoes in half; cut the purple potato into small pieces; cut the onion into small pieces;
6. Cut bell pepper into small pieces; cut broccoli into small flowers;
7. Cut bacon into small pieces and stir fry until fragrant;
8. Brush the baking tray with a thin layer of oil, spread the dough by hand, poke some holes with a fork, and brush with tomato sauce;
9. Spread a layer of cheese and sprinkle with bacon;
10. Arrange vegetables of various colors in rainbow-colored intervals;
11. Sprinkle some cheese and cheese;
12. Put it into the preheated oven and bake at 200 degrees for 25 minutes. (Time is for reference only)
