Ooey Gooey Pumpkin Chocolate Chip Bars

I made these and brought them to a fall football party and they were a huge hit amongst both the kids and adults! The pumpkin makes them the perfect gooey texture combined with the chocolate chips. INGREDIENTS  1/2 cup unsalted butter (1 stick), melted  1 large egg  3/4 cup pumpkin puree (not pumpkin pie filling)  1…