Tofu Steak with Miso Mushrooms

Ingredients

• 1⁄2 pound firm tofu, sliced into four square pieces
• 1 tablespoon all-purpose flour
• 1 tablespoon vegetable or soybean oil
• 11⁄2 cups shiitake mushrooms
• 1 tablespoon mirin
• 1 teaspoon grated ginger
• 1 tablespoon red miso paste
• 1⁄4 teaspoon red pepper flakes
• 1 tablespoon sesame oil
• 1⁄2 cup chopped leeks or green onion
• Cherry tomato halves, for garnish