01 -
Combine pitted bing cherries, granulated sugar, and 240 ml water in a small saucepan. Heat over medium-high until boiling, then reduce to a simmer. Stir frequently and cook for 8 minutes.
02 -
Remove saucepan from heat. Allow the cherry mixture to cool at room temperature for 30 minutes. Place a fine mesh sieve over a measuring jug and pour in the mixture, pressing firmly with the back of a spoon to extract all the juice. Expect about 480 ml cherry juice.
03 -
Pour remaining 1.2 L water, freshly squeezed lemon juice, and cherry juice into a large pitcher. Stir thoroughly to combine.
04 -
Refrigerate the lemonade until fully chilled. Serve over ice in clear glasses and garnish with a lemon slice if desired.