Hot and Spicy Lamb Sandwiches

Ingredients

• 1 tablespoon vegetable oil
• 1 medium onion, sliced
• 1 tablespoon ginger, chopped
• 1 teaspoon curry paste
• 10 ounces of lamb, chopped
• 1 tablespoon garlic powder
• 1 teaspoon five-spice powder
• salt
• pepper
• ¼ cup sweet corn
• 1 spring onion, chopped
• 4 bread buns
• 2 tablespoons of butter
• 4 ounces of lettuce
• 2 pickles, sliced
• 2 tablespoons of chili sauce
• 1 tablespoon broccoli sprouts