Recipes: Buffalo beef on weck

Preparation:   Preparation time: 20 mins Cooking time: 1 hr 30 mins Serving: 6-8 Ingredients:   Horseradish sauce 1/4 cup mayo 1/4 cup sour cream 1 tablespoon buttermilk 2 tablespoons prepared horseradish, divided 1/2 teaspoon garlic powder 1/4 teaspoon worcestershire sauce 2 grinds of fresh black pepper   Sandwich 1...