Late last month we celebrated my Shih Tzu Chewy's 7th birthday. Although I'm not someone who goes above and beyond to spoil my dog, he is spoiled and we do like to do one small thing for his birthday each year.
There's an ice cream chain called Emack & Bolio's that offers "doggie sundaes." For a few bucks you can buy this treat for your dog, which contains non-dairy ice cream and doggie biscuits.
As you can see, Chewy approves. We also try to get him to Starbucks once or twice a year for a Pupacino (non-dairy whip cream in a small cup). We have friends who take their dog to McDonald's drive-thru for hamburgers so I don't feel too bad about spoiling Chewy just a bit.