Burger Trittini

Grrrrrgh!
Course : Italian
From: HungryMonster.com
Serves: 6
 

Ingredients:

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.