Waffle Stitch

Skill: easy
Multiple of 3 sts + 1

ROW 1 (RS): P1, *K2, P1; rep from * to end.
ROW 2: K1, *P2, K1; rep from * to end.
ROW 3: repeat ROW 1.
ROW 4: knit.

Repeat ROWS 1-4.