Preheat the oven to 400?F.
Spread the bread on a baking sheet. Mix the cheese, mayonnaise, parsley, garlic, salt, and cayenne in a small bowl. Spread a heaping tablespoon of the cheese mixture onto each slice of bread.
Bake until golden brown and bubbly, 6 to 8 minutes. Serve hot.
Yield: 12 toasts