Combine the first 5 ingredients in a mixing bowl, mushing well with hands.

Form turkey mixture into small patties, flattening slightly with hands.

Place patties, 3 to 4 at a time, in a large skillet over medium-high heat.

Cook and flip patties until cooked through, about 5 minutes per side.

Meanwhile, split buns in half, spreading 1 tablespoon of butter on the inside of each bun top and 1 tablespoon of jelly on the inside of the bottom.

Place buns, inside up, on a large baking sheet.

Broil buns for 5 minutes.

Place cooked patties on heated buns, adding cheese and other desired toppings.