Salisbury Steak

This is my kid's new favorite recipe. Simon even ate the mushrooms in this (of course I may have told him that they were big seasoning pieces)!

Salisbury Steak
1lb Lean Ground Beef
1/3 Cup Bread Crumbs or Cracker Crumbs
½ tsp Salt
¼ tsp Pepper
1 Egg
Small Onion Sliced
1 Can Condensed Beef Broth
1 – 4oz Can Sliced Mushrooms (Drained)
2 T. Cornstarch
2T Water
1 - Packet Brown Gravy Mix or 1 - Jar/Can Brown Gravy
Mix First 5 ingredients together and shape into ovals about ¾ inches thick. Cook patties in a skillet turning once until brown.
Add onion mushroom and beef broth heat to boiling. Reduce heat cover and simmer for 10 minutes. Remove patties to a casserole dish and keep warm.
Heat remaining mixture until boiling. Mix water and cornstarch together to make a paste.
Add to boiling mixture with a wire whisk and whisk until gravy begins to thicken.
Pour the gravy over the patties in the casserole dish and bake at 350 until bubbly. Serve with rice, mashed potatoes or noodles.