Place Baguette Slices On Greased Baking Sheets. Broil 4-6 In. From The Heat For 1-2 Minutes Or Until Toasted. Turn Slices Over; Sprinkle With 1/2 Cup Cheese. Broil 1 To 1-1/2 Minutes Longer Or Until Lightly Browned. In A Small Bowl, Combine The Mayonnaise, Pesto, Garlic Powder And Remaining Cheese. Serve With Toast Slices.