For the Polpettine:

• 1/2 pound ground beef

• 1/2 pound grated Pecorino cheese

• 1/4 pound bread crumbs

• 4 large eggs

• 4 cloves garlic finely chopped

• 1 tablespoons fresh parsley finely chopped

• 2 large onions finely chopped

• 4 large carrots

• 1 pound spinach

• grated Parmigiano cheese

• salt