In A Large Bowl, Beat The Cream Cheese, Parmesan Cheese, Ham And Garlic Powder Until Blended. Cut Bread In Half Lengthwise; Spread With The Cream Cheese Mixture. Cut Into 1-1/2-In. Slices. Place On An Ungreased Baking Sheet. Broil 4 In. From The Heat For 3-5 Minutes Or Until Topping Is Lightly Browned.