Combine ground turkey, zucchini, seasoning salt and pepper.
Form turkey mixture into 8 thin patties.
Place 2 slices of cheese and 1 tablespoon of barbecue sauce on 4 of the patties.
Top with remaining four patties, pinching to seal edges.
Brush onions with canola oil and sprinkle with salt and pepper on both sides.
Preheat grill (or grill pan) to medium-high. Coat with cooking spray.
Grill turkey burgers for 5 minutes on each side or until cooked through.
While burgers are cooking, grill onions for about 5 minutes or until tender.
To assemble burgers, place lettuce and tomato on bottom bun, followed by burger, grilled onions and a dollop of cranberry barbecue sauce and top of bun.
Homemade Cranberry Barbecue Sauce Directions
In a medium saucepan, combine cranberries and ½ cup pineapple juice over medium-high heat and bring to a boil.
Cook until cranberries pop, and mixture thickens.
Reduce heat to low.
Stir in remaining ½ cup of juice and the rest of ingredients.
Mix well and cook on low for 10 minutes, stirring constantly.
Set aside to cool.