You can make this recipe for lemonade with two cups of lemon juice! This fresh lemonade recipe only calls for one and a half cups of lemon juice. This means if you want to use up both cups of lemon juice, you'll want to make a few adjustments.u003cbr/u003eu003cbr/u003eUse two cups of lemon juice, 7 1/3 cups water, and 1/2 of a cup of maple syrup.