Barbecue Lamb Pita Pizza

8 entree Servings or 64 appetizer servings
1 cup chopped bell pepper 1 cup chopped onion
1 pound ground lamb 4 teaspoons garlic salt
2 cups bottled barbecue sauce, divided 1/2 teaspoon cayenne pepper
8 pita breads (5- to 7-inch)
8 canned pineapple slices, cut in half 1 cup shredded provolone cheese

Spray a medium skillet with nonstick cooking spray. Add bell pepper and onion; cook over medium-high heat for 2 minutes. Add lamb and garlic salt and cook until brown, stirring to crumble. Drain well.
Preheat oven to 400°F.
In bowl mix together barbecue sauce and cayenne pepper. Add 1 cup barbecue sauce mixture to cooked lamb. Spread 2 tablespoons remaining barbecue sauce on each pita bread. Top each pita bread with 4 pieces pineapple and 1/2 cup lamb mixture. Sprinkle each pita with 2 tablespoons cheese.
Bake in oven until topping is hot and cheese is melted. Cut each pizza into 4 or 8 wedges.