Zippy Corned Beef Salad

Ingredients

• 1 lb. cooked corned beef, cut into cubes
• 5 new red potatoes, boiled, cooled, peeled and cut into cubes
• 2 crisp dill pickles, coarsely chopped
• 3 green onions, finely chopped
• 1 hard egg, chopped
• 5 black olives, chopped
• 2 tsp. Dijon mustard
• 3 Tbsp. olive oil
• 3 Tbsp. vinegar
• 1/4 tsp. garlic powder
• 1/4 tsp. black pepper
• salad greens
• 1/3 c. grated Swiss cheese