Stir-fried Tofu with Oyster Sauce Recipe

Ingredients

• 1/2 kilo firm tofu (cut into cubes)
• 2 tablespoons cooking oil
• Oil (for frying)
• 2 medium Onions (quartered)
• 2 medium red bell peppers (cut into cubes)
• 2 pieces Leeks (cut into one-inch pieces)
• 3 tablespoons oyster sauce
• 1/2 Cup water
• 1 tablespoon sugar
• Salt (to taste)
• sugar (to taste)