I have a couple small boys, so I use the small new life spectrum pellets as well. I feed 2 at night and 2 in the am and my boys love them! They're also great if one of them gets sick, easy to break up and easy for them to swallow because they're so small. They get blood worms once every week or two as well.
Omega One Betta Buffet Pellets, Bettamin flakes, freeze dried bloodworms, frozen bloodworms and frozen brine shrimp. I feed two pellets in the morning, and at night either the flakes, freeze dried bloodworms or a frozen food. I rotate it so they don't get the same food everyday, except for pellets.
aqueon betta pellets, along with san francisco bay brand: sally's frozen bloodworms. (: i've been wanting to buy some new life spectrum pellets, but i haven't been able to find some in my local stores.