Asparagus Frittata

Directions

1. 1
   Heat olive oil into a 10-inch oven-proof frying pan over medium high heat.
2. 2
   Add onions and salt and cook, stirring occasionally, until onions are softened, about 3 minutes.
3. 3
   Add asparagus, reduce heat to medium-low, and cook, covered, until the asparagus are barely tender, 6 to 8 minutes.
4. 4
   Pour in eggs and cook until almost set, but still runny on top, about 2 minutes.
5. 5
   While cooking, pre-heat oven broiler.
6. 6
   Sprinkle cheese over eggs and put in oven to broil until cheese is melted and browned, about 3 to 4 minutes.
7. 7
   Remove from oven with oven mitts and slide frittata onto a serving plate.
8. 8
   Cut into wedges.