Disclosed are food compositions and methods for preparing sugary coated puffed snack products upon simple heating of the food compositions in a consumer microwave oven. The food compositions comprise a plurality of puffable farinaceous dough puff pieces or pellets and a puffing media throughout which the puff pieces or pellets are dispersed. The puffing media comprises from about 40% to 95% by weight of a nutritive carbohydrate sweetening agent and from about 5% to 10% moisture. The weight ratio of puffing media to puff pieces ranges between about 4:1 to 0.1:1. The water activity of the food compositions is less than about 0.75. The method for making a coated snack comprises forming a gelatinized dough, shaping the dough into pieces, partially drying the pieces, dispersing the pieces throughout a puffing media to form a puffing media/piece matrix, and microwave heating the matrix to simultaneously puff the pieces and to enrobe the pieces with the fluidized puffing media.