Cut the tofu into cubes and microwave for 3 minutes (to remove moisture)
Make the sauce
Mix 2 parts ketchup, 1 part soy sauce, 1/2 part gochujang (add 3 parts allulose for low sugar), and 1/2 part minced garlic
Coat the drained tofu evenly with 2 parts starch powder
Pan-fry the tofu cubes over low heat; when cooked, mix with the sauce