Spinach Lasagna

Lasagna noodles cooked to pkg directions
1 cup cottage cheese
1/2 cup sour cream
4 eggs
10 oz frozen spinach thawed and drained of excess water
1/2 cup chopped onion
1 tsp oregano
1/2 tsp salt
1 1/2 cup marinara sauce
shredded mozarella or cheddar cheese
parmesan cheese

Mix together all ingredients, except for noodles and shredded cheeses. Layer in a 9x13 pan: noodles, spinach mixture, marinara, and shredded cheese. Repeat layers once more. Cook for 40 min. on 375