"More whitebread" is often used to describe something that is dull, conventional, and lacking in diversity. An antonym for this phrase would be "colorful," which describes something vibrant, diverse, and eye-catching. Other antonyms could include "unconventional," "non-traditional," or "eclectic," which all signify something that is different and stands out from the norm. These antonyms provide a more positive and interesting alternative to the phrase "more whitebread," and suggest a varied and interesting experience which goes beyond the dull and conventional. Using these antonyms can add depth and interest to descriptions and help avoid overusing tired cliches.