Preheat the oven to 425 degrees. In a small mixing bowl, add the butter and garlic powder. Mix well. Spread over each of the slices of bread. Place the bread on the baking sheet pan and bake until golden brown on both sides. Place the frozen bread on a baking sheet. Bake for 5-6 minutes. Turn and bake for another 4-5 minutes or until golden brown on each side. Serve hot.