Form burger into 4 patties and generously season with salt and pepper.
Spread 2 tablespoons of butter on top of each bun.
Cook burgers in a large skillet over medium-high heat for about 3 minutes on each side. Place a slice of cheese on each burger, cover and continue cooking until cheese is melted. (Burgers should be 160F. when done)
Place burgers on bun bottoms, add the pickles and then top with the buttered bun tops.