Hamburger Sour Cream Casserole

4 ounces egg noodles
1 (8 ounce) can tomato sauce
1 tablespoon flour
1 cup cottage cheese
1/2 cup sour cream
1 teaspoon salt
1 pound ground beef

Heat oven to 350 degrees F.

Cook noodles according to package directions.

Brown meat; drain grease; add tomato sauce and flour. Simmer until thickened. Combine sour cream, cottage cheese and salt.

Place cooked noodles in the bottom of a 1-quart casserole. Layer with the sour cream mixture, then top with the hamburger mixture. Cover and bake for 30 minutes.