• 8.11 oz black oyster mushrooms washed and dried
• 2 cups vegetable oil for deep frying or as needed
• 11.76 fl oz. canned pineapples diced
• 1 red bell pepper diced
• 1 yellow bell pepper diced
• ½ onion diced
• 1 tablespoon vegetable oil for stir frying

Mushroom Coating:

• ½ cup all purpose flour
• 1 teaspoon garlic powder
• 1 teaspoon onion powder
• 1 teaspoon salt
• ½ teaspoon black pepper

Mushroom Batter:

• 1 cup all purpose flour
• ½ cup cornstarch
• ¾ teaspoon baking powder
• 1 teaspoon garlic powder
• 1 teaspoon salt
• ½ teaspoon black pepper
• 1 cup water cold

Sweet and Sour Sauce:

• ⅔ cup pineapple juice from the can
• 1 tablespoon cornstarch
• 1 tablespoon water cold
• ⅓ cup rice vinegar or white vinegar
• 3 tablespoon ketchup
• 1 tablespoon regular soy sauce