Spring Vegetable & Mozzarella Frittata is quick, easy baked egg dish with asparagus, peas, fava beans, green onions, and cheese. Perfect for brunch or dinner. This spring vegetable & mozzarella frittata recipe is easy to make and packed full of the veggies of the season - asparagus, peas, fava beans, and green onions. Perfect for a spring/Easter brunch or any meal of the week! Speaking of Easter and holidays... My family used to only have egg bakes/breakfast ...