Preheat oven to 400°. Cut baguette into 8 (1/2-inch-thick) slices; rub each with sliced garlic. Place on a baking sheet coated with cooking spray; coat tops of bread with cooking spray. Bake 5 minutes, turning once. Combine fontina cheese, basil, and crushed red pepper. Divide among toasted bread rounds. Bake 4 minutes.