These gluten-free chocolate cupcakes are moist and fudgy enough that most people can’t tell they’re gluten-free. Made with coconut oil, coconut sugar and a quick oat milk buttermilk, they’re naturally dairy-free and come together in one bowl in about 30 minutes.
A Quick Look At The Recipe
- Recipe Name: Gluten-Free Chocolate Cupcakes with Dairy-Free Chocolate Frosting
- Ready in: 10 minutes prep + 20 minutes bake
- Yields: 12 cupcakes
- Main ingredients: Gluten-free 1-to-1 baking flour, unsweetened cocoa, coconut sugar, coconut oil, oat milk (for buttermilk), eggs
- Dietary: Gluten-free, dairy-free, one-bowl method
- Why you’ll love it: These stay moist and fudgy thanks to coconut sugar and coconut oil, plus a tender crumb from oat milk buttermilk — no dry, crumbly GF texture.
When my dad switched to a gluten-free diet, I made it my mission to bake desserts he’d actually enjoy. After a few trial-and-error batches, this chocolate cupcake recipe is the one that finally made him ask, “Wait, these are gluten-free?” That reaction has kept me making them for birthdays, potlucks and casual get-togethers. The combination of coconut sugar for moisture, coconut oil for richness, and oat milk + lemon for buttermilk gives a tender, bakery-style crumb you won’t expect from most gluten-free bakes.
Why You’ll Love This Recipe
- Fudgy, not crumbly: Coconut oil and coconut sugar help the cupcakes retain moisture for days.
- Dairy-free without compromise: Oat milk buttermilk and coconut oil replace dairy and keep flavor and texture intact.
- One bowl, minimal cleanup: Simple method that works for beginners.
- Tested on non-GF eaters: Friends and family reach for seconds before realizing they’re gluten-free.
What Makes These Cupcakes So Moist?
Many gluten-free recipes only swap flours and leave the rest unchanged, which often leads to dry results. This recipe chooses ingredients specifically to add and hold moisture: coconut sugar retains moisture better than white sugar, coconut oil contributes tender richness, and oat milk made into a quick buttermilk adds a soft, bakery-style crumb. Together they keep the cupcakes soft for days when stored properly.
Ingredients You’ll Need
- Gluten-free 1-to-1 baking flour: I use a blend that includes xanthan gum so it behaves like all-purpose flour. Do not substitute almond or coconut flour here.
- Unsweetened cocoa powder: Sifted to avoid clumps and provide the chocolate flavor.
- Coconut sugar + granulated sugar: Coconut sugar helps maintain moisture; a blend gives balance in sweetness and texture.
- Melted coconut oil: Replaces butter to keep cupcakes dairy-free; melted vegan or regular butter may be used if not keeping dairy-free.
- Oat milk + lemon juice: A tablespoon of lemon juice in oat milk makes a dairy-free buttermilk that tenderizes the crumb.
- Eggs: Room temperature eggs help with structure and lift.
- Baking powder + baking soda: Both give proper rise — check freshness before baking.
- Vanilla extract: Rounds out and brightens the chocolate flavor.
- Dairy-free chocolate frosting: I top these with an easy dairy-free chocolate frosting that pairs perfectly.
See the recipe card below for exact quantities and full instructions.
Easy Ingredient Swaps & Variations
These are tested swaps that won’t drastically change texture; change one or two items at a time for best results.
- Milk: Almond, cashew or cow’s milk can be used instead of oat milk; oat milk gives the creamiest buttermilk.
- Acid: Use apple cider vinegar or white vinegar in place of lemon juice for the buttermilk reaction.
- Sugars: Light or dark brown sugar can replace coconut sugar if needed.
- Fats: Melted vegan or regular butter can substitute for coconut oil; olive oil will work but may add a subtle flavor.
- Make it a cake: Pour batter into an 8- or 9-inch pan and bake longer until a toothpick comes out clean.
- Frosting swaps: Use a vanilla buttercream for contrast if you prefer less chocolate on top.
How to Make Moist Gluten-Free Chocolate Cupcakes (Step-by-Step)
Preheat oven to 350°F and line a 12-cup muffin tin with liners.
- Step 1: Make the oat milk buttermilk by stirring lemon juice into oat milk and letting it sit for 5 minutes. In a large bowl whisk the buttermilk with the eggs, granulated sugar, coconut sugar, melted coconut oil and vanilla until smooth.
- Step 2: In a separate bowl sift together the gluten-free flour, cocoa powder, baking powder, baking soda and salt. Add the dry mix to the wet ingredients and stir until just combined — a few small lumps are fine.
- Step 3: Divide the batter evenly among the 12 liners, filling each about ½ to ⅔ full. Avoid overfilling to prevent spills and doming.
- Step 4: Bake at 350°F for 18–22 minutes, or until a toothpick inserted into the center comes out clean. The author typically bakes for 20 minutes.
- Step 5: Let cupcakes cool in the pan for 5 minutes, then transfer to a wire rack to cool completely. While they cool, prepare a batch of dairy-free chocolate frosting.
- Step 6: Frost with a knife, spoon, or piping bag. Top with sprinkles or chocolate shavings if desired and serve once the frosting has set slightly.
Tips for Perfect Gluten-Free Cupcakes Every Time
- Sift cocoa powder. It prevents small pockets of dry cocoa in the batter and gives a smooth texture.
- Use room temperature eggs and milk. Cold ingredients can cause melted coconut oil to seize into little lumps.
- Spoon and level your flour. Scooping directly from the bag packs flour and leads to dry results — spoon it into the cup and level it off.
- Don’t overfill liners. Fill just over halfway to avoid doming and sinking.
- Check your leavening. Expired baking powder or soda is a common cause of sunken cupcakes.
How to Store and Freeze
- Room temperature: Store frosted cupcakes in an airtight container for up to 2–3 days. Because the frosting is dairy-free, they are fine at room temperature.
- Refrigerator: Keep in the fridge up to 5 days. Bring to room temperature for 10–15 minutes before serving for the best texture.
- Freezer: Freeze unfrosted cupcakes for up to 2 months. Cool completely, seal in a freezer bag, thaw overnight in the fridge and frost before serving.
Frequently Asked Questions
What is the best gluten-free flour for cupcakes?
A 1-to-1 gluten-free baking flour that contains xanthan gum works best because it most closely mimics all-purpose flour. Avoid almond or coconut flour for this recipe.
Can I turn these cupcakes into a cake?
Yes. Pour batter into a greased 8- or 9-inch pan and bake 30–45 minutes, until a toothpick comes out clean.
Why did my cupcakes sink?
Common causes are expired baking soda/powder, overfilled liners, opening the oven door too early, or overmixing. Check those first.
Are these cupcakes dairy-free?
Yes — both the cupcakes and the recommended frosting are dairy-free when made as written.
How do I keep gluten-free cupcakes moist?
The combination of coconut sugar, coconut oil and oat milk buttermilk, plus careful baking (don’t overbake), helps keep these moist. Store sealed at room temperature or refrigerate in an airtight container.
More Gluten-Free Chocolate Dessert Recipes
If you enjoy these cupcakes, there are other gluten-free chocolate recipes you may like — from almond flour chocolate cake to oat flour brownies and fudgy flourless brownies.
Did you make this recipe?
If you try it, please leave a comment and rating on the original post and tag the author on Instagram so she can see your photos. Sharing photos and feedback helps others discover reliably delicious gluten-free baking.
📖 Recipe
Gluten-Free Chocolate Cupcakes
By: Tati Chermayeff
These gluten-free chocolate cupcakes are moist and fudgy, made with coconut oil, coconut sugar and a quick oat milk buttermilk. Naturally dairy-free and ready in about 30 minutes.
Ingredients
Gluten-Free Chocolate Cupcakes:
- ½ cup oat milk
- 1 tablespoon fresh lemon juice
- ¾ cup gluten-free 1-to-1 baking flour, spooned and leveled
- ½ cup unsweetened cocoa powder, sifted
- ½ teaspoon baking powder
- ½ teaspoon baking soda
- ¼ teaspoon salt
- 2 large eggs, room temperature
- ⅔ cup granulated sugar
- ⅓ cup coconut sugar
- ⅓ cup melted coconut oil
- 2 teaspoons pure vanilla extract
Dairy-Free Chocolate Frosting:
- 1 batch dairy-free chocolate frosting (make while cupcakes cool)
Instructions
- Preheat: Preheat oven to 350°F and line a 12-cup muffin tin with liners.
- Make the buttermilk: Stir oat milk and lemon juice together and set aside for 5 minutes.
- Dry mix: Sift together flour, cocoa powder, baking powder, baking soda and salt.
- Wet mix: In a large bowl whisk the oat milk buttermilk, eggs, granulated sugar, coconut sugar, melted coconut oil and vanilla until smooth.
- Combine: Add dry ingredients to wet and mix until just combined. Do not overmix.
- Fill liners: Divide batter among liners, filling about ½ to ⅔ full.
- Bake: Bake 18–22 minutes, until a toothpick inserted comes out clean. Cool in the pan 5 minutes, then transfer to a wire rack.
- Frost: Cool completely before frosting. Top with sprinkles or shavings if desired.
Notes
- Oat milk subs: Almond or cashew milk works; cow’s milk can also be used.
- Coconut sugar subs: Light or dark brown sugar is a suitable swap.
- Coconut oil subs: Melted vegan or regular butter work; olive oil will add a slight flavor.
- Lemon juice subs: Apple cider vinegar or white vinegar will create the same buttermilk effect.
- Don’t overbake: Start checking at 18 minutes; cupcakes continue to set as they cool.
- Freezing: Freeze unfrosted cupcakes sealed in a bag for up to 2 months; thaw in the fridge and frost before serving.
Nutrition (approx.)
Calories: 311 kcal per serving (with frosting). Other nutrition values will vary depending on exact ingredients and frosting used.