Step 1: Spray a skillet with nonstick cooking spray. Add bell pepper and onion, cook over medium-high heat for 2 minutes. Add Anderson Ranch Grass-fed lamb, garlic salt and cook until brown, stirring to crumble. Drain well.
Step 2: 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.
Step 3: Bake in 400°F oven until topping is hot and cheese is melted. Cut each pizza into 4 or 8 wedges.