Roast Beef Salad with horseradish

4 cups of cold cooked london broil beef or 4 cups flank steaks, thinly sliced and julienned 1 small red onion , thinly sliced 6 sun-dried tomatoes , julienned[...]

2 cups cooked roast beef , cubed 2 cups cooked potatoes , cubed 1/2 cup green bell pepper , chopped 1/2 cup celery , sliced thin 1/4 cup onion , chopped 2[...]