Cook and drain egg noodles.
In skillet, melt butter and brown hamburger meat. Drain fat.
To drained hamburger add: tomato sauce, flour, 2 t. salt - simmer 10 minutes.
Mix cottage cheese, sour cream, 1 t. salt, onion, and olives.
Place half of noodles in casserole dish (sprayed with non-stick cooking spray). Spread cottage cheese mixture on top of noodles. Add rest of noodles and then cover with meat mixture.
Bake at 350 degrees for 30 minutes till casserole is hot and bubbly. Let stand 10 minutes before serving.