Instructions

  1. Heat oven to 350ºF.
  2. Spray medium nonstick skillet with nonstick cooking spray. Add ground beef, onion, and bell pepper (if using).
  3. Cook and stir until browned; drain. Reduce heat to low; stir in mushrooms and spaghetti sauce. Simmer 5 minutes, stirring occasionally.
  4. In a small bowl, combine ricotta cheese, Parmesan cheese, parsley and egg; mix well.
  5. Cut 1 of the lasagna noodles in half lengthwise.
  6. Spread 1/4 cup meat mixture in bottom of ungreased 9*5-inch (2 quart) loaf baking dish.
  7. Top with 1 1/2 lasagna noodles, 1/2 the ricotta mixture, 1/2 the remaining meat mixture and 1/2 the mozzarella cheese.
  8. Repeat layers, starting with noodles and ending with mozzarella cheese.
  9. Bake at 350ºF for 30 to 35 minutes or until thoroughtly heated and bubbly.