from How To Be A Domestic Goddess by Nigella Lawson.
Suggestion: 9" spring form pan
for the crust:
3/4 c plus 2 T (or 7 ounces) graham cracker crumbs
scant 1/4 cup softened, unsalted butter
(you can add 1T of cocoa powder to make a chocolate variety, but she stresses avoiding using chocolate graham crackers cuz they're hard to cut after baking)
for the filling:
5 large egg yolks
14 oz can sweetened, condensed milk
zest of 3 limes (I had to buy a zester, too! always wanted one)
1/2 c plus 2 T lime juice (of 4-5 limes, I found out)
3 large egg whites
--Preheat oven to 325, and put in a baking sheet
--Mash the graham crackers and butter together and press into the pan evenly, going a little up the sides, then chill while you make filling
--beat egg yolks until thick, then add condensed milk, grated zest, and lime juice.
--whisk egg whites separately until soft peaks form, then fold gently into yolk goo
--pour into the pan and cook for 25 minutes (ended up being 30 in my oven), or until filling is firm. It puffs a little, then falls during cooling - hey, as Nigella puts it, "that's the deal".
--cool on rack before unmolding, and chill well