Recipe

Chocolate Chunk Muffins

Tall, tender muffins loaded with chocolate chunks and finished with a crunchy sugar top.

By Matt Campbell

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4.8

A tray of tall, domed chocolate chunk muffins with crisp golden tops and visible melted chocolate chunks, cooling on a wire rack on a bright kitchen counter

These chocolate chunk muffins are my answer to the question, what can I bake that feels like a treat but still counts as breakfast? They are big-top, bakery-style muffins with a tender center, crisp edges, and those glossy pockets of melted chocolate that make you stop mid-bite.

We are keeping ingredients approachable and the method low drama. No mixer needed, no fancy flours, no weird steps. Just a smart batter, a hot oven, and one small move that helps you get that proud, domed muffin top: a quick blast of high heat at the beginning.

A glass mixing bowl filled with thick muffin batter studded with chocolate chunks on a kitchen counter, with a wooden spoon resting on the rim

Why It Works

Bakery-style domes: Starting hot gives the muffins a quick lift, then a lower temp finishes them gently so they stay tender.
Moist, not gummy: Oil keeps the crumb soft for days, and a short rest lets the flour hydrate without overmixing.
Real chocolate puddles: Chunks often melt into pockets, while many chips tend to hold their shape.
Crisp top, cozy middle: A sprinkle of coarse sugar adds that satisfying crackle when you bite in.

Pairs Well With

Storage Tips

Room temperature: Store muffins in an airtight container for up to 3 days. If you want to keep the tops a little crisp, line the container with a paper towel and leave the lid slightly cracked for the first day.

Refrigerator: You can, but they dry out faster. If you do, warm before eating.

Freezer (best move): Freeze cooled muffins in a zip-top bag for up to 2 months. Thaw at room temp, then warm in the microwave for 15 to 25 seconds, or in a 300°F oven for 8 to 10 minutes.

Chocolate chunk muffins wrapped and stored in a freezer safe zip-top bag on a kitchen counter with a label tag nearby

Common Questions

Can I use chocolate chips instead of chunks?

Yes. Use the same amount. You will get a slightly more uniform look and fewer melty pools, but the muffins will still be great. If you have chips, I like doing half chips and half chopped chocolate for the best of both worlds.

Why did my muffins turn out dense?

The usual culprits are overmixing or too much flour. Stir just until you do not see dry streaks, and if possible, spoon and level your flour instead of scooping straight from the bag.

How do I get taller muffin tops?

Three things: start with a hot oven, fill the cups about 3/4 full to nearly full, and let the batter rest 10 minutes before baking. The rest step can help hydrate the flour for a more tender crumb and can also help the muffins dome up nicely. Also, make sure your baking powder is fresh.

Can I make these mini muffins?

Yes. Bake at 425°F for 2 to 3 minutes, then reduce to 350°F and bake 6 to 10 minutes more, until the tops spring back when lightly pressed and a toothpick comes out with a few moist crumbs. For extra confidence, aim for an internal temperature of about 200 to 205°F.

Can I add berries or nuts?

Absolutely. Add up to 3/4 cup chopped toasted walnuts or pecans, or 1 cup blueberries. If using blueberries, toss them with 1 teaspoon flour first to help prevent sinking. Keep the mix-ins about the same total volume so the batter is not overloaded. If you add nuts in addition to all the chocolate, the bake time may run 1 to 2 minutes longer.

What does espresso powder do?

It does not make the muffins taste like coffee. It just deepens the chocolate flavor. You can skip it if you do not have it.

Matt Campbell

I have always had a huge passion for the culinary arts, people, working as a team, and so on. I wanted to pursue my love for cooking initially at Virginia Commonwealth University with a culinary arts degree; however, I instead decided to apply myself and acquire more practical skills. My end goal is to eventually open my own restaurant or similar establishment.

Kitchen Essentials

Standard 12-cup muffin tin (U.S. standard)
Paper liners or nonstick spray
Large mixing bowl
Whisk
Rubber spatula
Ice cream scoop or large spoon
Wire rack for cooling
Optional: instant-read thermometer

I started making these when I realized my morning routine had two speeds: “grab a banana” and “accidentally eat three cookies.” A good muffin lives right in the middle. It feels like bakery comfort, but it is still something you can hand to a kid, a friend, or your future self running out the door. My favorite part is the chaos of chopping chocolate. It is never uniform, you get shards everywhere, and somehow that is exactly what makes the muffins better.