1. Ingredients: two steamed buns, one tablespoon of cooking oil, one tablespoon of salt, 10 grams of chili powder, and 10 grams of cumin powder.

2. Production method: First, cut the steamed buns into slices, not too thin, otherwise they will be very hard when copied.

3. Next, coat one side with a little cooking oil.

4. Sprinkle salt, chili and cumin powder evenly.

5. Finally, put the coated bun slices into the oven. Bake over medium heat for about 5 minutes, take out and turn over, coat with oil, sprinkle with seasonings, and bake over medium heat for 5 minutes.