Guy Fieri's Irish Nachos

INGREDIENTS

• 1/2 pound(s) Corned Beef
• 1/2 cup(s) sour cream
• 2 tablespoon(s) Whole grain mustard
• 1 tablespoon(s) prepared horseradish
• 2 teaspoon(s) Freshly ground black pepper
• 1 teaspoon(s) sea salt
• 1 bag(s) 22 oz frozen waffle cut fries
• 1 cup(s) irish white cheddar cheese
• 1/2 cup(s) fontina cheese
• 3/4 cup(s) peppadew peppers
• 1/2 cup(s) sauerkraut
• 1/2 cup(s) green onions