I cook my pumpkin pie at 375 degrees F for 50 to 60 mins. At the end of the baking time, the center of the pie will have a slight jiggle. Add the streusel topping and bake for another 10 to 15 mins. Then remove the pie and let it cool completely. If your pie bakes faster than usual, cracks will develop on the surface. Do not worry if cracks develop on your pumpkin pie. You can cover these cracks easily using some topping such as a streusel topping as given in this recipe, or top it with whipped cream or powdered sugar, or candied nuts or candied cranberries after the pie has cooled completely. Options are endless!