Bring a pot of water to boil, add in the dehydrated soy chunks, boil for 10 minutes, drain, and set aside. Depending on the size of your soy chunks, you might want to tear them into smaller pieces;
In a saute pan, heat about 1 tablepsoon of cooking oil, add in the Sichuan red chili peppers and sauté for a few minutes until aromatic, then take out the chilis;
Add in chopped scallions and minced garlic, fry for 1 minute then add in the minced garlic, saute for another half a minute;
Add in drained soy chunks and broad bean paste, use your spatula to stir and mix everything evenly, cook for 3-4 minutes till the bean paste coats the soy chunks well, then sprinkle in the ground Sichuan peppercorn, adjust the amount depending on how "numbing" you want the dish to be;
Meanwhile, whisk together the water, cornstarch, Shaoxing cooking wine, soy sauce, and sugar together, pour into the pan and stir quickly to mix in, lower the heat and let the sauce simmer and thicken to your preferred consistency;
At this point, you can either gently toss in the tofu and very carefully mix in with your spatula, or, pour the sauce over the tofu in a plate, garnish with extra chopped chili peppers if you like, serve hot with some rice, enjoy!