Blend beer, steak sauce, garlic, chili powder and cumin in non metal dish. Pour the marinade over sliced steak. Cover and chill about 2 hours stirring occasionally. Remove steak from marinade, but do not discard marinade. Thread steak and pepper pieces on 6 skewers. Heat remaining marinade and cornstarch. Bring to a boil. Grill or broil kabobs 4 inches from heat for 15 minutes or until done, turning and brushing with marinade often.

Makes 6 kabobs