This pattern is in Festive Knits, and includes a pattern for the apron shown in the photo.
Aside from the book, this pattern is available in combination with the Baby Bunny pattern (that is, the Ravelry download contains both the Mama and Baby Bunny pattens)

Materials
Bunny: 100 g of chunky weight yarn in MC, 50 g of chunky weight yarn in CC, pair of 12 mm safety eyes, stuffing, 5 mm knitting needles, tapestry needle
Apron: 25 g of worsted weight yarn, pair of 4.5 mm needles, 20” of ribbon