1/3 cup (40g) crab meat
2T (26g) mayonnaise
4 of 1g sheet nori (each sheet should be about 5in x 8in)
cut avocado into 4 long strips.
in a small bowl, mix the crab meat with mayonnaise.
lay out nori, short side in front of you. lay out avocado and 1/4 of crab mixture. roll up nori. you can use a little bit of mayo to close up the nori. cut them into 4-5 pieces.
repeat for all three remaining sheets.