As I sunk my teeth into a warm, gooey chocolate muffin, I felt the world fade away, if only for a moment. It’s hard to believe that such rich indulgence can be made right at home, but these Costco Double Chocolate Muffins prove it’s absolutely possible. Packed with goodness and easy to whip up, this recipe brings you a delightful treat in just 40 minutes. Not only are these muffins perfect for breakfast, but they also serve as an irresistible snack for any chocolate lover! With a combination of cake mix and instant chocolate pudding, you'll get a moist, cake-like texture that beats any store-bought option hands down. So, are you ready to elevate your baking game with a treat that will put a smile on everyone’s face? Let’s dive into this chocolatey adventure!
Why are these muffins so special?
Decadent chocolate flavor: Each bite is a rich explosion of chocolate thanks to both the semisweet chocolate chips and the combination of pudding and cake mix.
Quick and Easy: Whip these up in just 15 minutes of prep time—perfect for busy mornings or unexpected guests.
Crowd-Pleasing: These muffins are a guaranteed hit for your family and friends—everyone loves chocolate!
Moist Texture: With the addition of sour cream or Greek yogurt, each muffin is wonderfully moist, unlike typical dry muffins.
Versatile: Enjoy them for breakfast, dessert, or as an afternoon snack; they fit any occasion!
Costco Double Chocolate Muffin Ingredients
Get ready for a chocolate explosion!
For the Batter
- 3 large eggs – helps bind the ingredients together for a fluffy texture.
- ½ cup oil – keeps the muffins moist and rich.
- ½ cup milk – adds creaminess; feel free to use almond or oat milk for a dairy-free option.
- ¼ cup water – lightens up the batter without adding calories.
- 1 teaspoon vanilla extract – enhances the chocolate flavor beautifully.
- 1 cup sour cream (or plain Greek yogurt) – ensures a decadent, moist muffin.
For the Dry Mix
- 1 box Devil’s food cake mix – the base for that luscious chocolate taste.
- 3.9 ounce box instant chocolate fudge pudding – adds extra chocolate moisture and depth.
- ½ teaspoon cinnamon – a secret ingredient that brings warmth to the chocolate flavor.
For the Chocolate Love
- 2 ½ cups semisweet chocolate chips (divided use) – pure chocolate bliss in every bite; reserve half for topping!
Step‑by‑Step Instructions for Costco Double Chocolate Muffins
Step 1: Preheat the Oven
Begin by preheating your oven to 375°F (190°C). While it's heating up, line two jumbo muffin tins with cupcake liners or generously spray them with nonstick cooking spray to ensure easy removal later. The preparation of the tins is crucial for achieving those beautifully elevated Costco Double Chocolate Muffins.
Step 2: Mix the Wet Ingredients
In a large mixing bowl, combine 3 large eggs, ½ cup oil, ½ cup milk, ¼ cup water, and 1 teaspoon vanilla extract. Use an electric mixer or stand mixer to blend these ingredients together on medium speed for about 1-2 minutes until the mixture is well combined and slightly frothy, which will help create a light, airy texture in the muffins.
Step 3: Incorporate the Sour Cream
Once your wet ingredients are nicely mixed, add 1 cup of sour cream (or plain Greek yogurt) to the bowl. Stir gently until the sour cream is fully incorporated. This will add moisture to your Costco Double Chocolate Muffins, making them irresistibly soft and rich.
Step 4: Add the Dry Ingredients
Next, sprinkle in 1 box of Devil’s food cake mix, 1 box of instant chocolate fudge pudding, and ½ teaspoon of cinnamon. Start stirring on a low setting to gently combine the dry ingredients with the wet ones, avoiding any overmixing. You want a few lumps to achieve that moist texture throughout.
Step 5: Fold in the Chocolate Chips
Now it’s time for the chocolate goodness! Carefully fold in 2 cups of semisweet chocolate chips. Use a spatula for this step to ensure that the chips are evenly distributed throughout the batter without breaking them apart. This adds delightful pockets of chocolate in every bite of your Costco Double Chocolate Muffins.
Step 6: Fill the Muffin Tins
Using a spring-loaded cookie scoop, fill each muffin well about ¾ full with the batter. This ensures each muffin rises beautifully. Once filled, sprinkle the remaining ½ cup of chocolate chips on top of the batter in each muffin to create a decadent, gooey topping as they bake.
Step 7: Bake to Perfection
Place your filled muffin tins on the middle rack of the preheated oven. Bake the Costco Double Chocolate Muffins for 20-25 minutes, or until you can insert a toothpick into the center and it comes out clean. The tops should be set and slightly domed, indicating they are perfectly baked and ready for cooling.
Make Ahead Options
These Costco Double Chocolate Muffins are perfect for busy home cooks who want to indulge without hassle! You can prepare the batter up to 24 hours in advance; simply combine all the wet and dry ingredients and refrigerate in an airtight container. For added convenience, you can also measure and mix the chocolate chips ahead of time, keeping them separate until you’re ready to bake. When you're ready to enjoy, just scoop the chilled batter into the prepped muffin tins, add the reserved chocolate chips on top, and bake as directed. By prepping ahead, you’ll save valuable time while still delivering delicious muffins just as moist and decadent as when made fresh!
How to Store and Freeze Costco Double Chocolate Muffins
Room Temperature: Keep any leftover muffins in an airtight container at room temperature for up to 3 days for the best flavor.
Fridge: To extend freshness, store muffins in the refrigerator in an airtight container for up to 1 week. Just note they may become a bit denser.
Freezer: Wrap individual muffins in plastic wrap and place them in a freezer-safe bag. They can be frozen for up to 3 months.
Reheating: To enjoy, thaw at room temperature or warm in the microwave for 15-20 seconds. This helps restore that delicious, gooey experience of your Costco Double Chocolate Muffins!
Expert Tips for Costco Double Chocolate Muffins
Perfect Consistency: Use room temperature ingredients to ensure a well-mixed batter. Cold eggs or milk can lead to lumps and uneven baking.
Don’t Overmix: Gently fold the dry ingredients into the wet ingredients to avoid tough muffins. A few lumps are perfectly fine!
Measuring Chocolate Chips: For an extra chocolatey experience, use a kitchen scale to ensure you're adding the perfect amount of chocolate chips to your Costco Double Chocolate Muffins.
Cooling Time: Allow muffins to cool in the tin for about 5 minutes before transferring them to a wire rack. This prevents them from sticking to the liners.
Storage Secrets: Keep any leftovers in an airtight container at room temperature for up to three days, or refrigerate for longer freshness.
Costco Double Chocolate Muffins Variations
Feel free to make these muffins your own with delightful twists and substitutions that will make your taste buds dance!
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Gluten-Free: Substitute the cake mix with a gluten-free chocolate cake mix and enjoy just as deliciously moist muffins without the gluten!
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** Nut-Free:** Swap the oil for coconut oil and ensure you use nut-free chocolate chips for a safe and scrumptious chocolate treat.
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Extra Fudge: Add an extra ½ cup of chocolate chips or chunk chocolate to the batter to satisfy the ultimate chocolate craving.
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Spicy Kick: For a surprising twist, sprinkle in a pinch of cayenne pepper or chili powder for a lingering heat that will complement the chocolate perfectly.
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Fruit-Filled: Mix in 1 cup of fresh or frozen raspberries for a tart burst that pairs harmoniously with the rich chocolate flavor.
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Zesty Orange: Add the zest of one orange to the batter for a refreshing, zesty edge that brightens the dense chocolate richness.
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Nutty Crunch: Stir in ½ cup of chopped walnuts or pecans for a delightful crunch and an added layer of flavor.
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Chocolate Drizzle: Drizzle melted dark chocolate or white chocolate over the cooled muffins for an elegant finishing touch—perfect for a special occasion!
What to Serve with Costco Double Chocolate Muffins?
Indulging in rich chocolate muffins can be a delightful experience, but pairing them with the perfect sides elevates the treat to a whole new level.
- Fresh Berries: Juicy strawberries or raspberries add a refreshing contrast to the richness of the muffins, balancing every bite perfectly.
- Whipped Cream: A dollop of fluffy whipped cream enhances the chocolatey decadence, making your muffins feel like a gourmet dessert.
- Vanilla Ice Cream: Serve warm muffins with a scoop of vanilla ice cream, creating a melt-in-your-mouth chocolate experience that's irresistible.
- Coffee or Espresso: The bold flavors of coffee complement the muffins beautifully, enhancing the chocolate and creating a cozy treat any time of day.
- Nutty Granola: Adding a sprinkle of crunchy, nutty granola on top of the muffins provides a delightful texture and a hint of added flavor.
- Milk or Almond Milk: A cold glass of milk or creamy almond milk is a classic pairing that makes every chocolate muffin feel comforting and indulgent.
- Chocolate Fondue: For a fun twist, serve a small pot of warm chocolate fondue for dipping—that’s extra chocolate bliss!
- Coconut Cream: Coconut’s tropical twist against the chocolate muffins adds a unique flavor profile that surprises and delights.
- Fruit Salad: A medley of fresh fruits adds a juicy sweetness that perfectly balances out the rich chocolate experience, making for a refreshing side.
- Chai Tea: The warm spices of chai tea blend beautifully with the chocolate muffins, creating a cozy, comforting pairing for a perfect afternoon.
Costco Double Chocolate Muffins Recipe FAQs
How do I choose the right ingredients for my muffins?
Absolutely! When selecting your ingredients, opt for large eggs with bright, uncracked shells for the best binding. The oil should be neutral, such as vegetable or canola oil, while your chocolate chips should be high-quality semisweet for maximum indulgence. If you want to substitute the sour cream, plain Greek yogurt is an excellent alternative that adds creaminess without compromising flavor.
What’s the best way to store leftover muffins?
Very! Store any leftover Costco Double Chocolate Muffins in an airtight container at room temperature for up to 3 days. For longer freshness, you can keep them in the fridge for up to a week, although I find they can become denser. If you want to preserve their original texture, consider freezing them instead!
Can I freeze the muffins? If so, how?
Of course! To freeze your Costco Double Chocolate Muffins, let them cool completely first. Then, wrap each muffin individually in plastic wrap and place them in a freezer-safe bag. Label them with the date so you can track freshness. They can be frozen for up to 3 months. When you’re ready to enjoy, just thaw at room temperature or microwave for 15-20 seconds to warm them up.
What if my muffins come out dry or dense?
Don’t worry! If your muffins turn out dry, first check if you overmixed the batter, as that can lead to tough muffins. Aim for a few lumps! On the other hand, if they turned out dense, it might be due to cold ingredients. It's best to use eggs and milk at room temperature for an even mix, helping to create that fluffy texture we all love.
Are there any dietary considerations I should keep in mind?
Absolutely! If you’re serving these muffins to friends with allergies, keep in mind that they contain eggs and dairy. For a dairy-free option, substitute the milk with almond or oat milk and the sour cream with a non-dairy yogurt. Always check your chocolate chips for any allergens as well!
How long do these muffins last?
Very! At room temperature, they will stay fresh for about 3 days, but if you store them in the fridge, they can last for a week. Just remember, the sooner you enjoy them, the better they will taste! For the best experience, I always recommend eating them fresh out of the oven!
Irresistibly Indulgent Costco Double Chocolate Muffins
Ingredients
Equipment
Method
- Preheat your oven to 375°F (190°C) and prepare jumbo muffin tins with cupcake liners or nonstick cooking spray.
- In a large mixing bowl, combine the eggs, oil, milk, water, and vanilla extract. Blend on medium speed for 1-2 minutes until well combined.
- Add the sour cream to the mixture and stir gently until fully incorporated.
- Sprinkle in the Devil's food cake mix, chocolate fudge pudding, and cinnamon. Mix gently on low to avoid overmixing.
- Fold in 2 cups of semisweet chocolate chips using a spatula.
- Fill each muffin well about ¾ full with batter and sprinkle the remaining chocolate chips on top.
- Bake for 20-25 minutes, or until a toothpick comes out clean from the center.
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