Rich & Moist Jumbo Chocolate Pumpkin Muffins: Your Secret Ingredient Baking Success
For too long, my jumbo muffin pan sat waiting in the cupboard, and now, it’s time to unleash its power once more! This isn’t just any chocolate muffin recipe; it’s a celebrated adaptation of a classic King Arthur formula, elevated by a surprising, secret ingredient: pumpkin. You might raise an eyebrow, but trust me, these Jumbo Chocolate Pumpkin Muffins are an absolute revelation. They are incredibly moist, intensely chocolatey, and delightfully robust, making them perfect for breakfast, a satisfying snack, or even a decadent dessert. What makes them truly special is the ingenious addition of a full cup of pure pumpkin puree, which lends an unparalleled tenderness and structure without imparting a distinct pumpkin flavor. It’s a genius trick to add moisture, fiber, and bulk, creating a muffin so irresistible, you’ll wonder how you ever baked without it.

The concept of adding pumpkin to chocolate muffins might seem unconventional, especially if you’re not a fan of traditional pumpkin spice flavors. However, in this recipe, pumpkin serves a completely different, crucial purpose. It acts as a natural moistening agent, much like applesauce or mashed banana, enriching the batter with essential moisture and helping to create that signature tender crumb. Beyond moisture, pumpkin also contributes valuable dietary fiber and a boost of nutrients, making these muffins a slightly healthier indulgence. The subtle sweetness and earthy notes of the pumpkin are completely overshadowed by the rich cocoa, meaning your guests will savor every bite of chocolate goodness, completely unaware of the wholesome vegetable hidden within. It’s the ultimate stealth healthy ingredient, ensuring your muffins are not only delicious but also surprisingly robust and fulfilling.
When it comes to flour, flexibility is key for these delightful treats. While my original recipe for these chocolate pumpkin muffins called for whole wheat pastry flour – which yields a wonderfully tender crumb with a hint of nutty flavor – I’ve found great success with various alternatives over the years. For a classic, light texture, all-purpose flour works beautifully, providing a consistently fluffy result. If you’re catering to dietary restrictions or simply prefer a gluten-free option, a high-quality gluten-free blend like Cup4Cup is an excellent substitute, delivering results nearly identical to traditional wheat flour. Regardless of your choice, precision is paramount in baking. Always weigh your flour for accuracy; 220 grams is the sweet spot for these muffins. Spooning and sweeping (leveling off with a knife) is an alternative if you don’t have a scale, but weighing eliminates guesswork and ensures consistent, perfect results every single time.
Initially, these were conceived as truly jumbo chocolate muffins with pumpkin, designed to be a hearty, satisfying treat that could almost serve as a meal. However, their versatility means they can easily be baked in standard-sized muffin tins as well, offering a more manageable portion perfect for smaller appetites or sharing. The cooking times will simply need to be adjusted accordingly. One visual aspect you might notice when comparing different batches, or even different photos, is the color variation in the muffins. This isn’t a trick of the light but rather a subtle yet significant difference introduced by the type of cocoa powder used. Natural cocoa powder, which is more acidic, reacts with baking soda to create a lighter-colored, often reddish-brown muffin with a bright chocolate flavor. Dutch-processed cocoa, on the other hand, has been neutralized with an alkaline solution, resulting in a darker, richer chocolate color and a slightly milder, smoother flavor. Both types work wonderfully in this recipe, so choose the one that aligns with your preferred aesthetic and taste profile for your ultimate chocolate pumpkin muffins.

Small Batch Chocolate Pumpkin Muffins or Loaves
For those who prefer a smaller yield or want to enjoy these delicious treats without making a full dozen jumbo muffins, this recipe is incredibly adaptable. My “empty-nester” version scales down perfectly, making a half batch that yields approximately 21 ounces of batter. This quantity is ideal for baking two 10.5-ounce mini loaves, which typically require about 35 minutes in the oven, or three slightly smaller 7-ounce loaves, usually baking in around 28 minutes. Alternatively, if muffins are your preference, this half batch will produce about 8 to 10 standard-sized muffins. And if you’re truly aiming for a minimalist bake, perhaps just for a solitary indulgence, you can halve the ‘half version’ again to make a single delightful loaf. This exceptional flexibility ensures you can always enjoy fresh-baked goodness, whether you’re baking for a large gathering or just for yourself.
- 110 grams all-purpose or gluten-free flour blend
- ⅓ cup unsweetened cocoa powder (natural or Dutch)
- ½ teaspoon each of baking powder and baking soda
- ¼ teaspoon salt
- ½ cup plus 2 tablespoons brown sugar (125 grams)
- ½ cup of pumpkin puree or 114 grams
- 1 large egg
- ⅓ cup milk
- ½ teaspoon vanilla extract
- 4 tablespoons melted butter or use half oil and half butter (for slightly moister results)
- A generous handful of chocolate chips
To begin, preheat your oven to 400 degrees F. Prepare your muffin cups by lining them with paper liners or greasing them exceptionally well. In your first bowl, thoroughly mix the dry ingredients: flour, cocoa powder, baking powder, baking soda, and salt. In a separate, larger bowl, combine the brown sugar through the vanilla extract, stirring until well blended and any lumps in the brown sugar are mashed out. Now, pour the dry flour mixture into the wet sugar mixture and stir gently until just combined. Be careful not to overmix the batter; a few quick strokes are sufficient. Finally, stir in the melted butter (or butter and oil blend) and then fold in the chocolate chips. Divide the batter evenly among your prepared muffin cups, filling them about ¾ of the way full. Place the muffins in the preheated oven, immediately reduce the heat to 375 degrees F, and bake for approximately 25 minutes, or until a toothpick inserted into the center comes out clean.

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Recipe

Jumbo Chocolate Muffins with Pumpkin
Cookie Madness
Pin Recipe
Ingredients
- 1 ¾ cups whole wheat pastry flour (220 grams – weigh for best results, or spoon and sweep to measure)
- ⅔ cup unsweetened cocoa powder (natural or Dutch process cocoa both work wonderfully)
- 1 teaspoon baking soda
- 1 teaspoon baking powder
- ¾ teaspoon salt
- 1 ¼ cups lightly packed light brown sugar
- 8 oz canned pumpkin puree (about 1 cup, ensure it’s 100% pumpkin, not pie filling)
- 2 large eggs
- ⅔ cup milk
- 1 teaspoon vanilla extract
- 8 tablespoons unsalted butter (melted and slightly cooled; alternatively, use 4 T. butter and 4 T. coconut oil for added moisture)
- ¾ cup semisweet chocolate chips
Instructions
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Preheat your oven to 400 degrees F. Line 6 jumbo muffin cups with paper liners for convenience. If using standard size muffin tins, you will need to line about 16 cups.
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In a large mixing bowl, combine the dry ingredients: flour, cocoa powder, baking soda, baking powder, and salt. Whisk them together thoroughly to ensure they are well distributed.
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In a separate, second bowl, stir the brown sugar, making sure to mash out any lumps. Add the pumpkin puree, eggs, milk, and vanilla extract. Mix these wet ingredients very well until fully combined. Pour the dry mixture into the pumpkin mixture and stir with a spoon or spatula for only a few strokes. Then, pour in the melted butter and continue stirring just until the ingredients are blended. Remember, it’s crucial not to over-beat muffin batter, as this can lead to tough muffins.
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Gently fold in the chocolate chips until they are evenly distributed throughout the batter.
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Divide the batter equally among your prepared muffin cups, filling each approximately ¾ of the way full (avoid filling completely to the top). Carefully place the muffin tin into your hot oven and close the door.
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Immediately reduce the oven heat to 375 degrees F. Bake for 23-26 minutes for jumbo muffins, or until a toothpick or chopstick inserted into the center of a muffin comes out clean, indicating they are fully cooked.
Notes
Whether you choose to bake them jumbo or standard, as muffins or loaves, these chocolate pumpkin treats are sure to become a cherished addition to your recipe collection. They’re a testament to how simple ingredients, a clever addition, and a touch of baking love can transform a classic into something truly extraordinary. The hidden pumpkin not only adds incredible moisture and tenderness but also a healthy boost, making these muffins a guilt-free indulgence. They’re perfect for a grab-and-go breakfast, a satisfying afternoon snack, or even a comforting dessert alongside a cup of coffee or tea. So go ahead, preheat your oven, gather your ingredients, and prepare to delight in the rich, moist, and secretly wholesome goodness of these irresistible chocolate pumpkin muffins. Happy baking!
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