3 frittata ricotta mixed Recipes

olive oil, divided, red onion, finely diced, red pepper flakes, chopped mixed greens (such as kale , swiss chard, or mustard greens), eggs, freshly grated parmesan cheese, salt, divided, freshly ground black pepper, divided, red-wine vinegar, part-skim ricotta, fresh basil leaves, fresh parsley leaves, fresh mint leaves, garlic, chopped, pine nuts

eggs, salt, white pepper, ricotta cheese, freshly grated parmesan cheese, chopped marjoram, garlic, crushed, olive oil, mixed with, melted butter