Roast beef and potato salad

Why I Love This Recipe
This is SUCH a yummy way to eat leftover roast beef. I make extra just to have this salad. I cook potatoes and carrots with my roast beef and add the cooked carrots to the salad too.
Ingredients You'll Need
2 c. cubed roast beef
2 c. cubed potatoes, cooked
1/2 c. green pepper, chopped
1/2 c. celery, chopped
1/4 c. chopped onion
1/3 c. veg. oil
2 to 3 T. vinegar
1 T. horseradish
1/2 t. salt
1/8 t. pepper
Lettuce leaves
Directions
In a large bowl, combine beef, potatoes, peppers, celery and onions.
Combine the next 5 ingredients; mix well.
Pour over beef mixture and toss to coat.
Cover and refrigerate for at least 1 hour.
Serve on the lettuce leaves.