Grilled Sirloin Kabobs

Marinade:
5 cloves garlic, crushed
2 T finely chopped fresh ginger
½ C soy sauce
¼ C olive oil
1 T sugar
1 C pineapple juice
1 tsp black pepper

Kabobs:
2 pounds sirloin steak, cubed
Sliced red onion
Sliced green peppers
Pineapple chucks

Combine all marinade ingredients in a medium-sized bowl. Score the beef cubes with a knife or fork several times to allow marinade to penetrate, and add to the bowl of marinade. Stir to coat well. Marinade in the refrigerator overnight, or at least 8 hours, turning occasionally. When you are ready to grill, skewer the meat, onion, peppers and pineapple and barbecue on the grill.