Boil the glass noodles in boiling water for 5 minutes, then rinse them in cold water.
Cut the tofu rolls into bite-sized pieces.
Slice the onion and bell pepper into thin strips.
Heat olive oil in a pan and grill the tofu rolls first.
Add the vegetables and glass noodles, and stir-fry over high heat.
Season with low-sugar soy sauce and pepper.
Mix thoroughly and serve on a plate.