Ingredients to make vanilla ice cream sandwiches are 2 sticks 2 unsalted softened butter, 3/4 cup sugar, 1 egg at room temperature, 1/2 cup unsweetened cocoa powder, 1 teaspoon vanilla extract, 1/2 salt, 1 1/2 cups all-purpose flour, and 1 pint vanilla ice cream softened slightly.
I made vanilla ice cream sandwiches using the following recipe:
Notes: You can substitute any ice cream flavor as you like. You can increase or decrease ingredients according to your taste.