Well, I was going to suggest the Simple Knitted Baby Blanket
because it really is the easiest blanket I've seen. Yarn overs are very simple and we can help you with it if you need it.
Here's a bunch of patterns and one easy one.
Easy Baby Blanket - pdf
A whole bunch of baby blankets
Oh and yes.. each ridge is two rows. The best thing you can do is not rip out your knitting. Just keep going. Your tension and stitches will become better as you practice.