Ingredients

1 pound ground sirloin

1 pound ground chuck

Coarse salt and freshly ground black pepper

2 tablespoons olive oil

Sliced cheddar cheese, for serving (optional)

4 brioche burger buns, split

Sliced tomatoes, for serving (optional)

Red Onion Jam, for serving

Preparation

In a large bowl, mix together sirloin and chuck. Gently form into 4 equal patties. Season patties with salt and pepper.

Preheat a grill pan or large skillet over medium-high heat. Oil a grill pan or skillet. Heat for 1 minute; add patties. Cook, turning once, about 4 minutes per side for medium-rare. Cook 1 or 2 minutes longer per side for a more well-done burger. Top burgers with cheese if desired, and cook until melted.

Place each burger on a bun, and serve with tomatoes and red onion jam, if desired.