Kosher salt and freshly ground black pepper, to taste
1 tbsp. canola oil
Hamburger buns, lettuce, sliced tomato and onion, ketchup, mustard, and mayonnaise, for serving
Mix ingredients, except for oil, buns, and condiments, in a bowl; form into four 6-oz. patties. Heat oil in a 12" skillet over medium-high heat. Cook patties, flipping once, until cooked to desired doneness, 8–10 minutes for medium rare. Serve on buns with lettuce, tomato, onion, ketchup, mustard, and mayonnaise.