Rum Swizzle - cooking recipe

Ingredients

juice 1 lime/lemon
1 tsp. powdered sugar
2 oz. carbonated water (lemon/lime soda is okay)
2 dashes bitters
2 oz. rum

Preparation

Into 12 ounce Tom Collins glass, put juice of 1 lime/lemon, powdered sugar and carbonated water (lemon/lime soda is okay). Fill glass with shaved ice and stir thoroughly with swizzle stick. Then add bitters and rum.
Fill with soda and serve with swizzle stick in glass.
Individual is to do final stirring.