Grilled Steak Sandwiches with Goat Cheese and Arugula

Course Sandwiches and Wraps Prep Time 25m Total Time 25m

Ingredients in this Recipe

1 large red onion, sliced 1/2 inch thick
1/4 cup grainy mustard
2 baguettes, split
2 bunches arugula (about 10 ounces total), stems trimmed
3 boneless rib eye steaks (each about 1 pound and 1 inch thick), excess fat removed
5 ounces fresh goat cheese, room temperature
Coarse salt and ground pepper
Vegetable oil, for grates