Spicy Beef Lettuce Cups

• 2 five-spice powder
• 1 ginger root
• 1 garlic clove
• 1 bell pepper (red)
• 350 gr sirloin (boneless)
• 210 gr crisp lettuce
• 30 ml soy sauce (light)
• 30 ml corn oil
• 16 ml dry sherry
• 5 ml chili sauce