Strawberry Milkshake Cupcakes

strawberry cake mix

buttermilk ((see note for substitute))

oil

eggs

box dry instant strawberry pudding mix or 1 (3.0 ounce) box strawberry jello mix

strawberry milk drink mix ((such as Nesquik))

butter (, room temperature)

vanilla extract

strawberry milk powder ((such as Nesquik))

powdered sugar

heavy cream or milk ((may not use all of it))

strawberry candies or gumballs