The last time I made mittens for El, I ended up making three more pairs of the same pattern. She outgrew her mittens, I made her these:
They are the Maize pattern from TinCanKnits' simple collection. They are simple, with clear instructions. Sometimes I have trouble reading and following directions - so any issues are with me and not the pattern. I knit the child size in Cascade Pacific (size 6 needle, maybe? not precise is the rule here.) I will knit more of these and hang on to them for a great donation opportunity.