Starbuck's style banana bread. You can have Starbuck's style banana bread using 9 ingredients and 3 steps. Here is how you cook it. Ingredients of Starbuck's style banana bread Prepare 1 of & 2/3 cup flour. It’s 1 cup of sugar powdered. It’s 1/2 cup of butter. Prepare 3 of eggs. It’s 1 tsp of […]