Abstract: A colander system comprising a vertical stack of similar colanders respectively having openings of different sizes in at least the lower portions thereof, the uppermost colander having the openings of largest size and the lowermost colander having openings of the smallest size, the uppermost colander being adapted to receive relatively stale bakery products capable of being comminuted when engaged by a pestle member by forcing the products through the openings of the uppermost colander and successively smaller sized particles sifting through the lower colanders progressively for final disposition within a receptacle below the lowermost colander and said colanders having means thereon to maintain the same in stacked relationship, the uppermost colander also having a closure to maintain bakery products in sanitary conditions until the same are to be comminuted.