Frittata with Spring Vegetables

Instructions

1. 1
   Heat olive oil in a 10-inch non-stick skillet over medium heat.
2. 2
   Add chopped onion and sauté until softened, about 2 minutes.
3. 3
   Add asparagus and zucchini, cook for 5 minutes until slightly tender.
4. 4
   Add peas and cook for another 2 minutes.
5. 5
   In a bowl, whisk together eggs, Parmesan cheese, salt, pepper, and mint if using.
6. 6
   Pour egg mixture over the vegetables, stirring gently to distribute evenly.
7. 7
   Cook without stirring for 8-10 minutes until the edges are set but the center remains slightly creamy.
8. 8
   Transfer skillet to a preheated broiler for 3-4 minutes until the top is golden and set.
9. 9
   Slide onto a serving plate and cut into wedges.