Ingredients 1/4 pound (1 stick) unsalted butter, at room temperature 1 1/2 cups sugar, divided 2 extra-large eggs, at room temperature 1 cup sour cream, at room temperature 1…
Ingredients 2 1/2 pounds ground beef Kosher salt and freshly ground black pepper Vegetable oil, for the grill grates and buns 6 slices American or Cheddar cheese 6 seeded hamburger…
