Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   2      pounds        ground beef
   1      teaspoon      salt
   1      medium        onion -- minced
   1      teaspoon      oregano leaves
  15      ounces        tomato sauce
     1/2  teaspoon      pepper
  12      ounces        tomato paste
  20      ounces        frozen spinach -- thawed
   4 1/2  ounces        sliced mushrooms -- drained
  16      ounces        cottage cheese
   2      teaspoons     basil
   8      ounces        mozzarella -- shredded
   2      teaspoons     sugar

Preparation:

Cook ground beef and onion on medium high until brown. Drain fat. Add next seven ingredients; heat to boiling. Reduce heat. Simmer, uncovered, until thickened. squeeze liquid from spinach. Combine with cottage cheese. Season to taste with salt and pepper. Spoon meat mixture into 13x9" baking dish. Sprinkle 1/2 of mozzarella cheese. Top with spinach. Sprinkle remaining mozzarella on top. Bake at 350F for 25-30 minutes until hot and bubbly.