jar mushrooms, drained garlic powder 1/2 tsp. Add the onion slices and mushrooms to the pan drippings. Hearty casseroles are a must, and this French onion ground beef stroganoff casserole is going to be a new regular meal at our house. Put the steak back into the pan with the onion and mushrooms. French onion ground beef stroganoff casserole is an easy and hearty casserole filled with hamburger, onions, sour cream, cream of mushroom soup, noodles, and crispy fried onions great for a busy weeknight dinner. Add the cream of mushroom soup and beef broth. sour cream 1 can cream of mushroom soup 1 lg. 1/2 c. chopped onion 1/4 tsp. paprika 1/2 pt. flour 1/2 c. milk 1 sm. ground beef, turkey or leftover roast beef Egg noodles, prepared as pkg. directs Salt & pepper 2 tbsp. Several people reviewing this recipe on this website said it was bland so instead of using chopped onion I used one envelope of Lipton Recipe Secrets Beefy Onion dried soup mix added 1/2 cup of milk to thin the stroganoff out 1 can of mushrooms drained and used 1/2 cup each of fat free sour cream and regular sour cream. Sauté for a few minutes, until the onion is tender. I have taken all the suggestions and advice from all the reviews and created this: INGREDIENTS 2 pound cubed https://www.food.com/recipe/beef-stroganoff-crock-pot-79082 Sprinkle with 1 teaspoon flour. Cook over low heat for about 30 minutes, covered.