Preheat oven to 425 degrees. ... easily). Brown ground beef with 1 tsp. of oregano, ... and pepper. In lasagna pan or appropriate pan, spread ... before serving. Uncooked spinach may be added to cheese mixture if you prefer.
Fry beef until all pink is gone. Stir in sauce. In a lasagna pan, layer noodles then Ricotta then spinach then sauce then Mozzarella. Continue ... for about an hour.