Isaiah 7:15

15 He will be eating curds and honey when he knows enough to reject the wrong and choose the right,

Read Isaiah 7:15 Using Other Translations

Butter and honey shall he eat, that he may know to refuse the evil, and choose the good.
He shall eat curds and honey when he knows how to refuse the evil and choose the good.
By the time this child is old enough to choose what is right and reject what is wrong, he will be eating yogurt and honey.