3 lasagne bolognese with Recipes

olive oil, sliced pancetta, finely chopped, onion, finely chopped, carrot, finely chopped, celery rib, finely chopped, garlic cloves, chopped, ground beef chuck (not lean), dry white wine, whole milk, tomato paste, thyme leaves, frozen chopped spinach,thawed, whole-milk ricotta, eggs, lightly beaten, grated parmigiano-reggiano, grated nutmeg, whole milk, divided, barilla no-boil dried lasagne noodles (from 1 box), grated parmigiano-reggiano, equipment : a 13- by 9-inch baking pan (3 inches deep)

lasagna noodle (dried ), eggs, hard-boiled, ham, gruyere, shredded, bechamel sauce, bolognese sauce