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Home » Recipes » Desserts

By Kaleigh McMordie - October 27, 2021, Updated July 15, 2022

Easy Pumpkin Lava Cake

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pumpkin lava cake with walnut topping and ice cream on top in a white cast iron skillet with two gold spoons with text overlay.

You'll fall for this gooey pumpkin lava cake with a crunchy walnut brown sugar topping and self-making pumpkin 'caramel' filling! It's the easiest, most delicious dessert for pumpkin season! (egg-free)

pumpkin lava cake with walnut topping and ice cream on top in a white cast iron skillet with two gold spoons in it.

Y'all. This pumpkin lava cake is the only dessert you will need all fall. It goes against all instinct when you make it, but you will not regret making it. Grab that half can of pumpkin in your fridge, get the ice cream ready, and get to baking!

Why You'll Love This Pumpkin Cake

What's not to love about a moist, tender pumpkin cake topped with a crisp walnut and brown sugar crust that hides a pool of gooey pumpkin caramel underneath? It's very straightforward to make and the results are instantly rewarding with a tender, gooey cake with all the best pumpkin spice flavors you crave. Topped with cold vanilla ice cream that instantly starts to get melty the moment it hits hot cake? *Insert all the cozy fall feels here.*

The Ingredients

two image collage of ingredients for pumpkin lava cake and ingredients for the walnut brown sugar topping.
  • Flour - I use whole wheat pastry flour for all of my baking, including this cake. You can use all purpose if you'd like.
  • Brown Sugar - Some will go in the cake and some is for the crunchy topping.
  • Pumpkin Pie Spice - You can make your own if needed!
  • Cinnamon - This will be used in the topping. Swap it for more pumpkin pie spice if you'd rather.
  • Pumpkin Puree - Make sure to use canned 100% pumpkin, not pumpkin pie filling. Or make your own!
  • Milk - Any milk or non-dairy alternative is fine.
  • Butter - I always use salted, but unsalted is great too.
  • Vanilla - How much vanilla is too much? The limit does not exist.
  • Walnuts - For a delicious crunchy topping. You could also sub in pecans.
  • HOT Water - This is key for the gooey filling. It will be poured on top of the batter and you will question yourself and the recipe. You're doing it right. I use my electric kettle to bring some water almost to a boil, then measure it into a shatter-proof measuring cup.

How To Make It

8 image collage showing steps for making pumpkin lava cake.
  1. Whisk the flour, ½ cup brown sugar, pumpkin pie spice, baking powder and salt in a large bowl.
  2. Add the pumpkin, milk, vanilla and melted butter and whisk to combine.
  3. Spread the mixture into a round or square 8 to 10 inch baking dish. I use a cast iron skillet.
  4. In a small food processor, pulse the walnuts, remaining brown sugar, and cinnamon until crumbly.
  5. Sprinkle the walnut mixture on top of the batter.
  6. Pour hot water over the top of the batter and walnut mixture, but DO NOT STIR.
  7. Bake at 350°F for 35-45 minutes, or until the top is set and golden.
  8. Remove from the oven and serve, preferably with ice cream.
gooey pumpkin lava cake in a white skillet with a white napkin around the handle.

Pro Tips for Making a Perfect Lava Cake

  • The main thing here is DO NOT STIR after pouring the hot water onto the batter. Just pour it and stick the whole pan in the oven. I don't know how it works, it just does.
  • When mixing the batter, careful not to over-stir the wet ingredients into the dry. Mix until the dry ingredients are completely moistened, but no need to over do it.
pumpkin lava cake in a white bowl with vanilla ice cream on top and a gold spoon in it.

Storing Leftovers

This cake is best served right away while the 'lava' layer is still gooey. The cake will absorb the moisture as it sits, so leftovers won't have the same effect, though they're still delicious. Because of the moisture content of this cake, store leftovers in an airtight container in the refrigerator, then reheat in the microwave.

More Delicious Pumpkin Recipes You'll Love

  • Healthy Pumpkin Streusel Coffee Cake
  • Pumpkin Snickerdoodles
  • Healthy Chocolate Chunk Banana Pumpkin Bread
  • Healthier No-Bake Pumpkin Cheesecake
  • Instant Pot Maple Pumpkin Spice Steel Cut Oatmeal
closeup of two gold spoons in a pool of gooey pumpkin caramel in pumpkin lava cake.

Did you make this recipe? Please leave a star rating in the comments!

Print

Easy Pumpkin Lava Cake

pumpkin lava cake with walnut topping and ice cream on top in a white cast iron skillet with two gold spoons in it.
Print Recipe

You'll fall for this gooey pumpkin lava cake with a crunchy walnut brown sugar topping and self-making pumpkin 'caramel' filling! It's the easiest, most delicious dessert for pumpkin season! (egg-free)

  • Author: Kaleigh
  • Prep Time: 10 minutes
  • Cook Time: 45 minutes
  • Total Time: 55 minutes
  • Yield: 8-10 servings 1x
  • Category: dessert
  • Method: baked
  • Cuisine: American

Ingredients

Scale
  • 1 cup white whole wheat flour (or all-purpose)
  • ½ cup brown sugar
  • 2 tsp baking powder
  • 3 tsp pumpkin pie spice
  • ½ tsp salt
  • ½ cup pumpkin puree
  • ½ cup vegetable oil, melted coconut oil, or melted butter
  • ¼ cup milk of choice
  • 2 tsp vanilla

For the topping:

  • ⅔ cup brown sugar
  • ½ cup walnuts
  • 1 tsp cinnamon
  • 1 ½ cups very hot water

Instructions

  1. Preheat oven to 350° F. Lightly grease a round or square 8 to 10 inch baking dish. I like to use a cast iron skillet.
  2. In a large bowl, mix flour, ½ cup brown sugar, baking powder, pumpkin pie spice and salt. Whisk to blend.
  3. To dry ingredients, add pumpkin, oil, milk and vanilla. Stir to combine. Spread into prepared baking dish.
  4. Prepare the topping. In a food processor, grind walnuts with brown sugar and cinnamon into a course crumb. You can also finely chop the walnuts by hand and stir it in the brown sugar and cinnamon.
  5. Sprinkle walnut mixture over pumpkin batter in the baking dish. Pour hot water over topping but do NOT stir.
  6. Bake 35-45 minutes or until topping is golden and middle is just set. Remove from the oven and let cool slightly before serving with vanilla ice cream or whipped cream.

Notes

  • DO NOT STIR after pouring the hot water onto the batter. Just pour it and stick the whole pan in the oven.
  •  When mixing the batter, careful not to over-stir the wet ingredients into the dry. Mix until the dry ingredients are completely moistened, but no need to over do it.
  •  This cake is best served right away while the 'lava' layer is still gooey. The cake will absorb the moisture as it sits, so leftovers won't have the same effect, though they're still delicious. Because of the moisture content of this cake, store leftovers in an airtight container in the refrigerator, then reheat in the microwave.

Keywords: pumpkin lava cake, gooey pumpkin cake with walnut topping

Did you make this recipe?

Tag @livelytable on Instagram and hashtag it #livelytable

This post was originally published November 2016 and has been updated.

« One Skillet Mushroom BBQ Chicken
Chipotle Apple Turkey Chili »

About Kaleigh McMordie

Kaleigh McMordie, MCN, RDN, LD, is a Registered Dietitian and Licensed Dietitian in Abilene, Texas, as well as a member of the Baby Led Weaning Dietitians Network. Kaleigh can be found at kaleighmcmordie.com.

Reader Interactions

Comments

  1. Allie says

    November 11, 2016 at 4:12 pm

    So much yes! Pinning this for later

    Reply
    • Kaleigh says

      November 12, 2016 at 6:32 pm

      Thanks so much Allie!

      Reply
  2. sprint2thetable says

    November 11, 2016 at 11:05 am

    I'm just going to go ahead and move in with you, ok? You have the BEST ideas! This looks incredible. Pinning to try!

    Reply
    • Kaleigh says

      November 12, 2016 at 6:32 pm

      I've got an extra bedroom for you! 😉 Thanks so much!

      Reply

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