Mini Steak Sandwich with Brie, Caramelized Onions, and Fig Jam

INGREDIENTS

, 10-ounce beef strip steaks (about 1-inch thick each)*

Kosher salt

Ground black pepper

2 1/2 tbsp

extra virgin olive oil, divided

large red onions, thinly sliced

1 tbsp

Dijon mustard

2 tbsp

melted unsalted butter

mini-sized French rolls, pretzel buns, or similar soft, but sturdy buns

1 1/2 cups

arugula

8 oz

Brie cheese, cut into thin slices

1/2 cup

fig jam