Gyros

Grilled Beef Gyros

1 medium onion, cut into chunks
2 garlic cloves
2 Tbl. sugar
1 Tbl. ground mustard
1/2 tsp. ground ginger or
2 tsp. minced fresh gingerroot
1-1/2 tsp. pepper
1/2 tsp. cayenne pepper
1/2 cup soy sauce
1/4 cup water
1 boneless beef sirloin tip roast (2 to 3 lbs.), cut into1/4-inch-thick slices
CUCUMBER SAUCE:
1 medium cucumber, peeled, seeded and cut into chunks
4 garlic cloves
1/2 tsp. salt
1/3 cup cider vinegar
1/3 cup olive or vegetable oil
2 cups (16 ounces) sour cream
8 to 10 pita breads, warmed and halved
Thinly sliced onion
Chopped tomato

In a blender or food processor, place the onion, garlic, sugar, mustard, ginger, pepper and cayenne; cover and process until onion is finely chopped. Add soy sauce and water; process until blended. Place the beef in a large resealable plastic bag. Add marinade. Seal bag and turn to coat; refrigerate for 1-2 hours.
For sauce, combine the cucumber, garlic and salt in a blender or food processor; cover and process until cucumber is chopped. Add vinegar and oil; process until blended. Transfer to a bowl; stir in sour cream. Refrigerate until serving.
Drain and discard marinade. Grill beef, covered, over medium-hot heat until meat reaches desired doneness. Place beef in pita halves. Top with cucumber sauce, sliced onion and chopped tomato. Refrigerate any remaining sauce.
Yield: 8-10 sandwiches.