Cook beef in medium skillet, add some broth, keep enough broth for corn starch mix, about 1/2 cup. Corn starch mix: Add 3 Tbs. of corn starch and 1/2 cup broth into jar from beef. Shake until well mixed. Add this mixture to cooking beef, stir frequently until desired thickness. Keep on low heat.
Potatoes: Peel and dice potatoes, cook over medium heat until done. Drain and mash potatoes.
Put bread or toast on plate, Potatoes on top and beef mix over all. Salt and pepper to taste. Enjoy.