Wash the mushrooms, soak them, and slice them for later use. Cut the beef into thin slices, add corn starch, light soy sauce [thin salted light soy sauce], ginger and green onion water, mix well, then pour in a little cooking oil and mix well to lock in the water. Leave to marinate for about 15 minutes. Shred the ginger, mince the garlic [not included here], cut each yellow pepper and red pepper and set aside.

Put oil in the pot, stir-fry the beef until it changes color, and put it on a plate.
Add oil, add ginger, garlic and green onions, stir-fry until fragrant, add mushrooms and stir-fry, add salt, light soy sauce, soy sauce, oyster sauce to taste, stir-fry until soft, add chopped red and yellow peppers.

Stir-fry until the red and yellow peppers are about halfway cooked, add the fried beef, and stir-fry to reduce the juice. . Plate and eat! A delicious mushroom beef~