1. Begin by making the lemonade. Add lemon juice, water, and sugar to a jar and shake to combine. This lemonade is not on the sweet side and we made it that way for a reason. We wanted to taste the rum without being distracted by an overly sweet lemonade flavor. If you prefer a sweeter drink, simply add more sugar to taste and shake until it is dissolved.

2. On a small plate or in a bowl, spread a layer of cane sugar. Wet the rim of the jar and dip it into the sugar.

3. Pour 2 shots of rum to the Mason jar, then a hefty portion of ice. Add 4 oz. of lemonade.

4. Toss 3-4 thin lemon slices into the jar and top it all off with champagne.