- Cut tofu into 3/4-inch cubes; separate and drain on layers of paper towels 10 minutes.
- Meanwhile, blend cornstarch with 1/4 cup water.
- Heat oil in wok or large skillet over medium-high heat until hot. Add carrot and snow peas; stir-fry 1 minute. Add mushrooms; stir-fry 3 minutes. Add tofu; cook, stirring gently, 1 minute.
- Stir in black bean sauce, soy sauce and cornstarch mixture. Cook and stir until sauce boils and thickens slightly.
- Serve with rice. *Remove and discard stems from shiitake.