7 leek and fontina frittata Recipes

olive oil, divided, leeks, whites and pale-green parts only, chopped, crimini (baby bella) mushrooms, thinly sliced, eggs, creme fraiche or sour cream, coarsely chopped flat-leaf parsley, shredded fontina cheese, divided, kosher salt , freshly ground pepper

thick-cut bacon, cut into 3/4-in . pieces, eggs, milk, chopped fresh chives, salt, freshly ground black pepper, frozen artichoke hearts, thawed and roughly chopped (about 1 cup), sliced leeks (white and light green parts ), grated fontina cheese, divided, grated parmesan cheese

eggs, water, chopped fresh parsley, oregano, fresh ground pepper , to taste, sliced leeks (white part only ), diced peeled sweet potato, fontina cheese

butter, chopped leeks (white and pale green parts only), asparagus, trimmed , cut on diagonal into 1-inch pieces (about 2 1/2 cups), sliced stemmed shiitake mushrooms, eggs, diced fontina cheese, divided, salt, ground black pepper, grated parmesan cheese

olive oil, diced, cooked sausage (see notes ), eggs, milk, chopped fresh chives, salt, freshly ground black pepper, diced, cooked potato, sliced leeks (white and light green parts ), grated fontina cheese, divided, grated parmesan cheese