Sour Cream Key Lime Pie – to-die-for delicious!!! SO simple and it tastes amazing! We made two of these pies in one week and there were no leftovers!! Sweetened condensed milk, key lime zest, key lime juice, sour cream, egg yolks, graham cracker crust. Ready in 20 minutes. Top with whipped cream or cool whip. Seriously THE BEST! #keylimepie #pie #keylime #dessert