INGREDIENTS
1
Egg
2 cups
All purpose flour
1 tsp
Baking soda
3/4 cup
Brown sugar, dark
2 tsp
Cornstarch
2 cups
Powdered sugar
1/2 tsp
Salt
1 1/4 cups
Semi-sweet chocolate chips
1/4 cup
Shortening
1/4 cup
Sugar
2 1/2 tsp
Vanilla
1
Vanilla buttercream
1
Cookie cake
3/4 cup
Butter, unsalted
1/4 cup
Butter
1 tbsp
Water