If you have leftover pumpkin pie filling, there are many delicious ways to use it up. Here are some ideas from various sources:

1. Pumpkin Pie Bars: Mix the filling with flour, sugar, and eggs to make a bar cookie.
2. Pumpkin Pie Milkshake: Blend the filling with vanilla ice cream or salted caramel ice cream to make a creamy milkshake.
3. Pumpkin Pie Crescents: Mix the filling with egg yolk and pumpkin pie spice, then wrap it in crescent roll dough and bake.
4. Pumpkin-Chocolate Brownies: Mix the filling with chocolate chips and flour to make a rich, chocolatey brownie.
5. Pumpkin Spice-Heath Cake: Mix the filling with cake mix and Heath toffee bits to make a moist, flavorful cake.
6. Pumpkin Cheesecake Tart: Mix the filling with cream cheese and honey to make a sweet, tangy tart.
7. Pumpkin Cream Cold Brew: Mix the filling with cold brew coffee for a refreshing fall drink.
8. Pumpkin Spice Donuts: Mix the filling with flour, sugar, and milk to make a spiced donut.
9. Pumpkin Pie Cookies: Layer the filling and graham cracker crumbs in a jar, then top with ice cream and caramel sauce.
10. Pumpkin Pie Milkshakes: Mix the filling with ice cream and half-and-half, then top with whipped cream and cinnamon.
11. Individual Pumpkin Pies: Warm up the filling with milk, vanilla extract, and pumpkin pie spice, then pour it over hot espresso or coffee.
12. Pumpkin Bread with Beer: Mix the filling with beer and flour to make a flavorful bread.
13. Pumpkin Pudding: Mix the filling with milk and cornstarch to make a creamy pudding.
14. Pumpkin Pancakes: Mix the filling with milk and pancake mix to make fluffy pancakes.
15. Pumpkin Smoothie: Mix the filling with yogurt, milk, and ice to make a healthy smoothie.

Remember that pumpkin pie filling is sweeter and more spiced than plain pumpkin puree, so you may need to adjust the other ingredients in the recipe accordingly. Also, be sure to store any leftover filling in an airtight container in the refrigerator and use it within 5-6 days.