Toffee Pumpkin Squares

This recipe came from the webpage razzle dazzle recipes, which contains a lot of pumpkin recipes. It's a little odd in that you put the crust in, cook for 15 minutes, add the pumpkin layer, cook for 20 minutes, then add the nuts on top and cook again for 20 minutes. I liked the different layers, but the cooking method didn't keep the pumpkin from sogging out the other layers after a couple of days, which is the problem with so many pumpkin recipes. (And has prevented my Discovery Creative taste testers from fulfilling their true potential.) This recipe is great for a "day of" event.