3 potato kale frittata Recipes

vegetable oil cooking spray, yellow or white onion, sliced, kale, trimmed , blanched 3 minutes in boiling water, drained, squeezed and coarsely chopped, garlic, chopped, boiled diced potatoes, whole eggs, egg whites, paprika (preferably smoked )

eggs, freshly grated parmesan cheese, salt and freshly ground pepper, extra-virgin olive oil, sweet italian fennel sausages (1/2 lb), meat removed from the casings, onion, finely chopped, yukon gold potatoes, peeled and cut into 1/2-inch pieces, kale leaves, stems and inner ribs discarded, leaves coarsely chopped