3very large or 6 medium Lemonshalved, grilled then juiced
1Tbl Sugar for sprinkling the lemons
4CCold Water plus Ice Cubes
FOR THE WATERMELON JUICE:
1/4of a small Watermelonprocessed and strained to remove the pulp
For the simple syrup, combine 1 Cup Sugar and 1 Cup Water in a small saucepan over medium heat. Boil for 5 minutes until sugar is dissolved. Cool completely.
Preheat a grill pan or grill until very hot. Oil lightly to prevent any sticking.
Halve the lemons and sprinkle the cut sides with a small amount of sugar. Place cut side down on the grill pan and cook for 2-3 minutes and remove to a plate until cool enough to handle. Squeeze the juice from them while still warm into a strainer over a measuring cup. You'll need 1 full of Cup of lemon juice.
Add the lemon juice to a pitcher. Follow with the simple syrup, 4 Cups of Water and Ice Cubes.
Slice a watermelon, removing the rind and place in a food processor. Over a measuring cup, strain the liquid from the pulp. You'll need 1 to 1-1/2 Cups of juice. This need not be exact, but more to your personal taste. Stir into the lemonade mixture.