Butter Burgers

Name: Butter Burgers
Ingredients: 1 stick plus 6 tablespoons unsalted butter, at room temperature; 2 onions, chopped; Kosher salt and freshly ground pepper; 1 pound ground beef sirloin; 6 soft hamburger buns, split

5 ingredients

15 steps

Ingredients

1 stick plus 6 tablespoons unsalted butter, at room temperature
2 onions, chopped
Kosher salt and freshly ground pepper
1 pound ground beef sirloin
6 soft hamburger buns, split

Directions

1

Preheat the broiler.
2

Melt 2 tablespoons butter in a large cast-iron skillet over medium heat.
3

Add the onions and cook until translucent, 6 to 8 minutes.
4

Add 1/3 cup water, cover and continue cooking until the onions are golden brown, about 15 more minutes.
5

Season with salt and pepper.
6

Transfer the onions to a bowl and wipe out the skillet.
7

Divide the meat into 6 loose balls, then gently flatten into thin patties.
8

Heat the skillet over high heat.
9

Add the patties to the hot skillet, smash them flat with a spatula and season with salt and pepper.
10

Cook, flipping once, until well done, about 3 minutes per side.
11

Meanwhile, toast the buns under the broiler.
12

Put the patties on the bottom buns and top each with 1/4 cup sauteed onions.
13

Smear 2 tablespoons butter on the cut side of each top bun, then put on top of the burgers.
14

Slice in half and serve immediately.
15

Photograph by Tina Rupp