Bengel observes that while Christ spoke severely to the Jews, he spoke honorably of them to those without. Compare Joh 4:22.
Dogs (κυναρίοις)
Diminutive: little dogs. In Mat 15:27, Wyc. renders the little whelps, and Tynd., in both verses, whelPsalms The picture is of a family meal, with the pet house-dogs running round the table.
Their masters
The children are the masters of the little dogs. Compare Mar 7:28, “the children's crumbs.”