1 lb. ground beef
1/4 cup bread crumbs (dry)
1 egg, beaten
2 Tbsp. finely chopped onion
1/4 tsp. salt
1/4 tsp. pepper
1 cup white sauce
1 small can mushrooms, chopped (optional)
How to make the white mushroom gravy:
I have also made this with cheddar cheese soup. Just as good, only a different taste.
Find it online: https://www.livingonadime.com/white-sauce-recipe-homemade/