(Chain a multiple of 3 sts + 2)
Row 1 1 Sc in 2nd ch from hook and in each ch across. Turn.
Row 2 Ch 1, 1 sc in first sc, *in next sc [yo and draw up a lp] 5 times, yo and draw through all 5 lps on hook (Popcorn made), 1 sc in each of next 2 sc; rep from * across. Turn.
Row 3 Ch 1, 1 sc in each st across. Turn.
Row 4 Ch 1, *1 sc in next 2 sc, Popcorn in next sc; rep from *, end 1 sc in last sc. Turn. Row 5 Rep row 3.
Rep rows 2-5.
Stitch directions reproduced with permission, from Vogue Knitting Stitchionary: Volume Four, Sixth & Spring Books, 2007