Wash all the vegetables thoroughly and cut them into bite-sized pieces.
Prepare other ingredients such as dried tofu and mushrooms.
Heat oil in a pan, then stir-fry garlic, Sichuan peppercorns, and dried chili peppers to release their aroma.
Add the prepared vegetables and ingredients to the pan and stir-fry quickly over high heat.
Add Mala Xiang Guo sauce and mix well while stir-frying.
Once all the ingredients are cooked through, transfer to a serving dish.