Recipe: Zucchini, feta and basil frittata

Total time: 50 minutes Servings: Makes 8 medium or 30 mini frittatas 3 medium or 4 small zucchini 2 large eggs, separated 1 1/3 cups coarsely grated feta cheese 1/4 cup chopped green onions 1/2 cup flour (or slightly more if necessary) 1/2 teaspoon...