Lasagna with Fresh Pasta, Bolognese and Pecorino Cheese Sauce

Makes 12-18 portions, takes three days For the bolognese, see ingredients here: For the pasta: 4 cups all-purpose flour 7 eggs 8 oz spinach salt For the cheese sauce: 1 stick of butter 3/4-1 cup flour 1 whole head of garlic half-gallon of milk 7 oz grated pecorino cheese For topping: 1 lb mozzarella cheese, grated fresh basil For the tomato sauce: olive oil a few cloves of garlic 1/2 an onion or a few shallots 2 tablespoons tomato paste 2 28-oz cans crushed tomatoes glu