The Loopy Love Blanket is so fun to make! The pattern is easy to memorize, the stitches just fly by, and the end result looks way more complicated than it should. And in 3 colors, you can change colors every row and never have to cut the yarn!
Make It: Easy Crochet Slip Stitch Blanket - Tutorial (It may seem crazy, but simply by repeating the slip stitch over and over you can produce a thick and dense crochet fabric. I have found it is especially great for making scarves for men.