The peanut butter and banana sandwich (PB&B), or peanut butter, banana and bacon sandwich (PB, B&B), sometimes referred to as an Elvis sandwich, the Velvet Elvis, or simply the Elvis, is a sandwich with toasted bread, peanut butter, sliced or mashed banana, and occasionally bacon. Honey or jelly is seen in some variations of the sandwich. The sandwich is frequently cooked in a pan or on a griddle. The sandwich was made famous as a favorite of the American singer Elvis Presley. The recipe for the sandwich has been published in numerous cookbooks and newspaper stories.

Source: Wikipedia