If garlic cloves are unavailable, you can use just the garlic powder.
Try sprinkling on onion powder or chili powder for a new twist.
Try adding Parmesan cheese to the garlic butter for extra flavour.
Make a terrific bruschetta by spreading the olive oil and garlic mixture on bread, then topping the slices with chopped onion and tomato. Add a few shavings of Parmesan if desired.
Be careful when using an oven as not to burn yourself or others.
The pan will be very hot when you remove it, so place it on a heat-safe surface until it cools.
Be aware that people may have garlic allergies or simply dislike it, so ensure you ask your guests before serving this at a dinner party. It's a good idea to have plain bread or herb bread available as a stand-by for such guests.