I also use a recipe with potatoes and tomato soup. This comes out of my Mirro pressure cooker cookbook. It's called
Hamburger-Potato Dinner
21/2-4 QT 6-8 QT
Ground Beef 1 lb. 2 lbs
Fat or oil 2 Tbsp 3 Tbsp
Onion, diced 1/2 cup 1 cup
Celery,diced 1/2 cup 1 cup
Potatoes, sliced thin 6 or 7 12 or 14
Salt 3/4 tsp. 1 1/2 tsp.
Tomato Soup 1 10 3/4 oz. can 2 10 3/4 oz. cans
Water 1/4 cup 1/2 cup

Brown ground beef, onion, and celery in fat in cooker.
Add remaining ingredients.
Cover, set control at 15 and cook 3 minutes after control
jiggles.
Reduce pressure instantly.
My whole family likes this! Enjoy!