In a bowl, combine the ground turkey, onion flakes, garlic powder, Worcestershire sauce and cranberries until combined.
Divide the mixture in 4 and shape into hamburger patties
Heat the olive oil in a skillet over medium heat
Cook the burgers on each for 4-5 minutes on each side or until browned and completely cooked
To Assemble the burgers
Toast the Whole Wheat Buns
Top the bottom of the toasted bun with the cooked turkey patty and add 3 slices of Brie Cheese on each one. Melt the cheese in a broiler or in a toaster oven for 1-2 minutes
Remove from broiler
Top the burger with the cranberries, kale, and top bun