How many letters does the top answer for “a small tasty bit of food” have?

The most common answer is tidbit (6 letters).

Crossword clue: a small tasty bit of food

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

tidbit 6 letters wn-def

a small tasty bit of food

titbit 6 letters wn-def

a small tasty bit of food

food chopped into small bits 60% similar → mince