There are many recipes for purple cow shakes, but they all generally follow the same basic ingredients and proportions. Typically, a purple cow shake contains milk, ice cream, and purple food coloring. Some recipes also call for additional flavorings such as vanilla extract or chocolate syrup.
POUR JUICE CONCENTRATE AND 1 CUP MILK INTO BLENDER.
SCOOP IN TWO CUPS OFICE CREAM.
BLEND ON HIGH SPEED FOR 30 SECONDS.