Gather gum base, powdered sugar, corn syrup, glycerin, flavoring, and food coloring
Melt the gum base in a heat-safe bowl over low heat or in a double boiler
Stir in corn syrup and glycerin until smooth
Add powdered sugar gradually and mix until a dough forms
Knead the mixture until it becomes elastic and uniform
Add flavoring and food coloring, then knead again to combine
Roll the gum into a thin sheet or shape it into small pieces
Cut or form the gum into desired sizes
Let the pieces rest until firm
Wrap or store the gum in an airtight container