Flowering onion, also known as blooming onion, is a popular appetizer made by deep-frying a whole onion that has been sliced to look like a flower. The dish originated in the United States, but you may encounter various names for it across different regions or cultures. Some common synonyms for flowering onion include onion blossom, onion tower, onion peony, onion ring loaf, and onion ring tower. Other names include "awesome blossom," "Texas rose," and "Hawaiian onion." No matter what you call it, the blooming onion is a delicious and fun appetizer that is perfect for sharing with friends and family.