7th Day Vegan and I've gained 2 lbs.!

How I managed to gain 2 lbs. when I only ate fruits, vegetables and brown rice is beyond me! I did go to yoga but did not do any cardio. I introduced Lundberg's brown rice cakes into my diet last night at dinner. They are 70 calories each and I had about 3. They are lightly salted. Perhaps that is the reason. Who knows. Because I feel good otherwise, I'll keep plugging alone. I know they say don't weigh yourself everyday but I do. Still not hungry or craving. It's amazing.