To ensure your custard pie doesn’t get too runny you’ll want the internal temperature of the pie, at the center, to be between 170 and 180 degrees.u003cbr/u003eu003cbr/u003eOnce your pie has cooled at room temperature, you may place it the refrigerator for a few hours of overnight to completely set the pie.u003cbr/u003eu003cbr/u003eOnce your butterscotch custard pie is set, it’s time to slice up this decadent dessert and serve with whipped cream on top of every piece.u003cbr/u003e