https://www.lowessignaturemarket.com/Recipes/Detail/4708/Stroganoff_in_a_Bun
Yield: 18 servings
In a large skillet, cook beef and onion over medium heat until meat is no longer pink; drain. Stir in the mushroom soup, mayonnaise, celery and cheese soup. Bring to a boil. Reduce heat; simmer, uncovered, for 10 minutes or until heated through. Serve on buns.
Please note that some ingredients and brands may not be available in every store.
https://www.lowessignaturemarket.com/Recipes/Detail/4708/Stroganoff_in_a_Bun