Tropit, if you decide to use lemonade concentrate, please taste it first. I made a lemonade pie this past weekend and the husband wanted to know what the flavor was. We all agreed that the concentrate is not the same as when my mother made the pie many years ago. I have some of the filling left and I'm going to add some lemon extract to it to see if that improves the flavor. The filling is just 6 oz. of lemonade concentrate, a can of Eagle Brand milk and 16 oz. of Cool Whip.
I'm saving the recipes you've used to try them myself. I love anything lemon.