tidbit

morsel

candy, dessert, junket, sweet, sweetmeat

nosh, snack

appetizer, canapé, hors d'oeuvre

bit, chew, crumb, dab, dribble, driblet, fleck, hint, mote, nubbin, particle, pinch, scrap, scruple, shred, smidgen (also smidgeon), snip, snippet, speck, spot, sprinkling, suspicion, tittle, touch, trace