Pepper Steak Sandwich on Toasted Sourdough Bread

This is a yummy sandwich that comes together quickly and makes a great dinner with a salad.  You could also use some garlic or mushrooms in it if you like.
Serves 2

2 cube steaks, cut into thin strips
1 green, red or yellow pepper cut into thin strips
1/4 white onion, sliced thin
1/2 c. vegetable or beef broth
1 T. beef concentrate
1/4 c. butter
1/2 t. seasoned salt
4 slices sourdough bread

Melt butter over medium heat in a large frying pan.  Add the onion, peppers and meat.  Saute for about 10 minutes.  Add broth, concentrate and seasoned salt.  Continue to cook another 10-15 minutes.  The liquid should diminish by 1/2.

Toast sourdough slices and serve meat on bread as a sandwich.