Before starting, preheat the oven to 450°F.Wash and dry all produce.Balsamic Vinegar Guide for Step 2: 1 tsp (2 tsp) for mild, 2tsp (4 tsp) for medium, 1 tbsp (2 tbsp) for extra! Peel potatoes, if desired, then cut into 1/2-inch wedges.Add potatoes, half the Smoked Paprika-Garlic Blend and 1 tbsp oil to a parchment-lined baking sheet. (NOTE: For 4 ppl, use 2 baking sheets, with 1 tbsp oil per sheet.) Season with salt and pepper, then toss to coat. Roast in the middle of the oven, flipping halfway through, until golden-brown and tender, 22-24 min. (NOTE: For 4 ppl, roast in the bottom and middle of the oven, rotating sheets halfway through.)

Meanwhile, peel, then cut onion into 1/4-inch slices. Heat a large non-stick pan over medium heat. When hot, add 1/2 tbsp (1 tbsp) oil, then onions. Cook, stirring occasionally, until softened, 3-4 min. Add 1 tsp (2 tsp) sugar and season with salt. Cook, stirring occasionally, until onions are dark golden-brown, 6-8 min. Stir in 2 tsp (4 tsp) vinegar. (NOTE: Reference balsamic vinegar guide.) Transfer onions to a plate, then cover to keep warm.Carefully rinse and wipe the pan clean.

Add turkey, breadcrumbs, remaining Smoked Paprika-Garlic Blend and 1/4 tsp (1/2 tsp) salt to a medium bowl. Season with pepper, then combine.Form mixture into two 4-inch-wide patties (4 patties for 4 ppl). Heat the same pan over medium. When hot, add 1/2 tbsp (1 tbsp) oil, then patties. Pan-fry until cooked through, 4-5 min per side.\*\*Remove the pan from heat, then transfer patties to one side of an unlined baking sheet. Sprinkle cheese evenly over patties. Set aside.

Meanwhile, add mayo and BBQ sauce to a small bowl. Season with pepper, then stir to combine.

Arrange buns on the other side of the baking sheet with patties, cut-sides up. (NOTE: For 4 ppl, use another unlined baking sheet.)Toast in the top of the oven until buns are golden-brown and cheese is melted, 3-4 min. (NOTE: For 4 ppl, toast in batches.) (TIP: Keep an eye on buns so they don't burn!)

Spread some BBQ mayo onto top buns. Divide caramelized onions between bottom buns, then stack with spring mix and patties. Close with top buns.Divide burgers and potato wedges between plates. Serve remaining BBQ mayo on the side for dipping.