
Fudgy, bakery style double chocolate muffins with a domed top and pools of melted chocolate in every bite, ready in under 40 minutes.

If you have ever bitten into a bakery style chocolate muffin with a shiny domed top and a center so fudgy it practically qualifies as dessert for breakfast, this is that recipe. These double chocolate muffins are deeply chocolatey in two ways: rich cocoa powder in the batter and pools of melted chocolate chips folded throughout. No fancy equipment, no stand mixer, just one bowl of dry ingredients, one bowl of wet, and a hot oven doing all the heavy lifting.
What makes this a genuinely best double chocolate muffins recipe rather than just another muffin is the little bit of hot coffee stirred into the batter. You will not taste coffee at all, it simply makes the chocolate taste more like chocolate. That, combined with a blazing hot start in the oven, gives you the kind of tall, cracked muffin top you usually only see behind a bakery glass case.
Before we get cooking, the right tools and ingredients make a real difference here. A good muffin tin with deep cups helps you get that classic domed shape, and a quality natural or Dutch process cocoa powder makes the chocolate flavor taste rich instead of flat. These are the products that genuinely help this recipe shine:
A few small details separate an average muffin from a truly decadent chocolate muffin recipe, and this batter uses all of them.
Chef's Tip: Fill your muffin cups almost all the way to the top. Underfilled muffins bake flat, while generously filled cups are what give you those tall, majestic tops.
Most of what you need for this double chocolate fudgy muffins recipe is likely already in your pantry. A few notes worth knowing:
Cocoa powder can be natural or Dutch process, both work well here, though Dutch process will taste a touch smoother and darker. Chocolate chips are divided between the batter and the tops, so every muffin gets that gooey, just baked look. If you want a healthy double chocolate muffin twist, you can swap half the oil for unsweetened applesauce and use a scant amount less sugar without losing the fudgy texture.
Ready to make it? Here is the full step by step recipe:

Fudgy, bakery style double chocolate muffins with a domed top and pools of melted chocolate in every bite, ready in under 40 minutes.
Preheat the oven to 425 degrees F (220 degrees C). This hot initial blast is the secret to tall, domed bakery style muffin tops. Line a 12 cup muffin tin with paper liners or grease it well.
In a large bowl, whisk together the flour, cocoa powder, granulated sugar, brown sugar, baking soda, baking powder, and salt until no lumps of cocoa remain.
In a separate bowl or large measuring cup, whisk the eggs until smooth, then whisk in the buttermilk, oil, and vanilla extract.
Pour the wet ingredients into the dry ingredients and stir gently with a spatula until just combined. Do not overmix, a few streaks of flour are fine.
Pour in the hot coffee and fold it into the batter, then fold in 1 cup of the chocolate chips. The batter will be thin, that is exactly right.
Divide the batter evenly among the muffin cups, filling each almost to the top. Sprinkle the remaining chocolate chips over the tops.
Bake at 425 degrees F for 5 minutes, then, without opening the oven, lower the temperature to 350 degrees F (175 degrees C) and continue baking for 13 to 15 minutes, until a toothpick inserted in the center comes out with a few moist crumbs.
Cool the muffins in the pan for 5 minutes, then transfer to a wire rack to finish cooling, or enjoy warm with the chocolate still melty.
These muffins are best enjoyed slightly warm, when the chocolate chips are still soft and a little melty. That said, they hold up beautifully for days, which makes them a fantastic make ahead breakfast or snack.
To keep them fresh, store cooled muffins in an airtight container at room temperature for up to three days. For longer storage, pop them in the fridge for up to a week, or freeze individually wrapped muffins for up to three months. A quick 10 to 15 second zap in the microwave brings back that fresh baked, gooey chocolate texture instantly.
Chef's Tip: If you love an extra bakery touch, press a few additional chocolate chips onto the tops right when the muffins come out of the oven. They will melt slightly and look absolutely irresistible.
Once you have the base choco muffin recipe down, it is easy to make it your own:
However you make them, these double chocolate muffins deliver that rich, fudgy, bakery chocolate muffins experience right from your own kitchen, no trip to the coffee shop required.