While the soup is cooking, preheat the oven to 375 degrees F.
Brown the butter and let it sit for 2-3 minutes, then toss in the minced garlic cloves and stir for 30 seconds. Add bread cubes to a large bowl and pour the garlic/butter mixture over top, tossing well to coat. Place the bread cubes on a baking sheet and bake for 8-10 minutes, tossing once or twice during cooking. If you desire them more golden, bake a little longer – just keep an eye on them.