Tomatoes with Tender Flank Steak

Ingredients

• 1 pound flank steak, thinly sliced
  
• 1 dark soy sauce
  
• 1 light soy sauce
  
• ³/₄ salt
  
• ¹/₂ black pepper
  
• ¹/₂ tablespoon water
  
• 2 tablespoons cornstarch
  
• ¹/₂ cup water
  
• ¹/₂ tablespoon soy sauce
  
• 2 tablespoons oil
  
• 1 teaspoon ginger, minced
  
• 1 teaspoon garlic, minced
  
• 1 tablespoon black bean paste
  
• 2 steak tomatoes, cut into 8 slices