Place all ingredients into a high powered food processor and combine on high till the ingredients form a slightly sticky mixture (this may take a few minutes)
Press the mixture evenly onto a small foil-lined baking sheet (about 9x13) and freeze for 30 minutes to an hour
Take the baking sheet out of the freezer and cut into 12 even squaresStore in an airtight container in the refrigerator for up to two weeks