Shamrock Shake

Feeling lucky? Well this was made for you. The limited time Shamrock Shake is a mint flavored shake made in honor of St. Patrick's Day. Back in the 70's a character called Uncle O'Grimacey was used to promote this Shake. He is a green version of the character Grimace, and wore a green vest and hat. He was also Grimace's Irish uncle. This shake It comes in three different sizes small (500 calories), medium (540 calories), and large (800 calories).