Mix all ingredients together in a bowl, stir until well combined and all fizzing from soda has stopped. Pour into ice pop sleeve up to the fill line. Place upright into a tall cup. Place into the coldest part of the freezer and allow to freeze at least overnight.
Notes
Soda can be flattened by allowing to sit open overnight. Alternatively, pour soda from one cup to another until carbonation is gone.Slushsicles may be stored on their sides, in a baggie, once frozen.We use disposable 3-ounce zip-top freezer bags.