Ingredients

• 3/4 cup mayonnaise 3/4 cup sour cream
• 2 (2.5 ounce) packages thinly sliced deli corned beef, chopped 1/4 cup chopped onion
• 1 tablespoon minced fresh parsley 1/2 teaspoon seasoned salt
• 1 teaspoon prepared horseradish (optional)
• 3 bagels, cut into bite-size pieces