Kick The Can Ice Cream
["3/4 c. whole milk", "1 c. cream", "1/3 c. sugar", "1/2 tsp. vanilla", "1 cold raw egg (optional)", "rock salt"]
["You will need a 1 pound can or plastic container with lid and a 3 pound can or plastic container with lid."]
["milk", "cream", "sugar", "vanilla", "cold", "salt"]