I've carried home all sorts of candy and yorkshire pudding mix and noodles and...I'm thinking of others as I type. So, yes. When asked if I have food, I say "yes, chocolates and tea and things" and they wave me through.
I read horror stories in the paper about how heavy it was going to the States during the foot and mouth thing. Like, they were going to search luggage for food and make you stand in a pail of disinfectant and stuff. Never happened; they just waved me through as always.