Combine ground turkey and spices in a large bowl with hands or a spatula until well blended. Add breadcrumbs and continue blending.
Separate turkey into 4 equal parts. Roll each part into a ball and flatten to 1/2 inch circles. Press thumb down in middle to create indent in each patty.
Heat oil in a skillet or pan over medium high heat.
Cook patties on one side for 4 minutes, until brown. Flip to other side. Cook until patty reaches 165 degrees F.
Place one slice of cheese on each patty and allow to melt for 1 minute.
Assemble burgers on toasted buns with avocado, tomato, mustard, and ketchup.