1 (20 oz) package lean ground turkey
1/2 cup Sunsweet® Amaz!n™ Diced Prunes
1/2 cup minced red onion
6 Tbsp plum jam or preserves, divided
1 tsp garlic salt
1 1/2 Tbsp fresh thyme leaves or 1/2 tsp dried thyme
freshly ground pepper to taste
1/4 cup ketchup
12 small rolls
12 small lettuce leaves