1. Preheat grill to medium-high heat.
2. Combine ground beefs, A1 steak sauce, and a generous amount of salt and pepper. Form meat into 4 equally thick patties.
3. Season the outside with more salt and pepper. Grill to your liking.
4. Meanwhile, brush the insides of the buns with melted Plugra butter and grill on top rack of your grill. Assemble burgers with grilled buns and your favorite toppings. Serve immediately.