1. Soak the mushrooms while you prepare the other ingredients.
2. Prepare the sauce: peel and finely chop the garlic. Chop the chili pepper. Mix all the ingredients, stirring until the sugar dissolves. Set aside in the refrigerator.
3. Soak the rice vermicelli in hot water for 3 minutes, rinse them under cold water, drain them, and let them cool.
4. Grate the carrots, finely chop the shallots and cabbage; chop the drained mushrooms. Crumble the tofu. Mix everything together with the vermicelli.
5. Dip a rice paper sheet in warm water, drain it, and place it flat on the work surface. Layer the ingredients in the bottom quarter of the disk, starting with shiso leaf. Fold the rice paper over the filling, enclose it by rolling the paper; fold the two sides over the forming roll and roll it all the way.
6. Heat the oil in a deep fryer and fry the spring rolls twice until they are crispy.
7. Serve them hot with lettuce and shiso leaves, accompanied by the sauce in small bowls.