Jamieson-Fausset-Brown Bible Commentary

But now . . . there is nothing . . . beside this manna--Daily familiarity had disgusted them with the sight and taste of the monotonous food; and, ungrateful for the heavenly gift, they longed for a change of fare. It may be noticed that the resemblance of the manna to coriander seed was not in the color, but in the size and figure; and from its comparison to bdellium, which is either a drop of white gum or a white pearl, we are enabled to form a better idea of it. Moreover, it is evident, from the process of baking into cakes, that it could not have been the natural manna of the Arabian desert, for that is too gummy or unctuous to admit of being ground into meal. In taste it is said to have been like "wafers made with honey" (Exo 16:31), and here to have the taste of fresh oil. The discrepancy in these statements is only apparent; for in the latter the manna is described in its raw state; in the former, after it was ground and baked. The minute description given here of its nature and use was designed to show the great sinfulness of the people, in being dissatisfied with such excellent food, furnished so plentifully and gratuitously.