What is
Frozen custard is a dessert very similar to an ice cream except that is made by adding Eggs, sugar and cream.It contains at least 10% milk fat and 1.4% egg yolk.
  
Whole milk is the raw, unpasteurized milk obtained from mammals like cows, buffalo, goat, sheep, yak, camel.
  
Origin
Coney Island, New York
  
East European countries- Bulgaria, Czech Republic, Ukraine