To assemble burgers, spread 1/2 tablespoon pesto on bottom buns. Top each with 1/4 cup spinach, 2 slices ham, 1 slice Sartori cheese, grilled turkey patty, 1 colby-jack cheese slice and 1/8 cup red pepper slices. Spread remaining 1/2 tablespoon pesto on top buns and top with red pepper slices.