Marshmallow Icing - cooking recipe

Ingredients

1 1/3 c. sugar
1/2 c. cold water
1 Tbsp. corn syrup
1 egg white
6 marshmallows
1 tsp. vanilla

Preparation

Cook sugar, water and corn syrup until it forms a soft ball when tested (238\u00b0).
Beat egg white stiff.
Add marshmallows, then the syrup, very slowly, beating constantly.
Add flavoring.
Beat until of the right consistency for spreading.