Seafood Kebab

fresh tuna, cut into big cubes                      
lemon or calamanst juice
prawns, shelled and deveined                      
paprika (optional)
large onions, quartered                                
large tomatoes, quartered
salt and pepper to taste                              
cooking oil (for brushing)

• Marinate fresh tuna chunks and prawns with salt, pepper and lemon or calamanst juice.
• Add a dash of paprika if desired.
• Skewer into barbecue sticks alternately with tomatoes and onions.
• Brush with oil and grill until desired doneness is achieved.
• Baste regularly with the marinade while grilling.