Recipe

Chocolate Chip Mug Cookie

A quick microwave mug cookie with crisp edges, a soft center, and melty chocolate, made with everyday pantry staples.

By Matt Campbell

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A warm chocolate chip cookie baked in a ceramic mug with melty chocolate chips on top, sitting on a cozy kitchen counter with a spoon nearby

If you've ever wanted a cookie right now but didn't want to commit to a whole batch, this mug cookie is your move. It's the weeknight dessert equivalent of putting on sweatpants. Low effort, high reward.

This version leans into what I actually want from a microwave cookie: buttery flavor, a little brown sugar chew, enough salt to keep it interesting, and a center that stays soft while the edges set up. You'll mix it right in the mug, microwave it for about a minute, then do the hardest part, which is waiting another minute so you do not lava-burn your mouth on molten chocolate.

Measured flour, brown sugar, white sugar, chocolate chips, butter, and vanilla on a kitchen counter next to a microwave-safe mug

Why It Works

Single serving, no drama: One mug, one spoon, zero mixer. It's dessert with minimal dishes.
More cookie-like texture (in my experience): Stirring the sugars into warm melted butter first helps it taste like a cookie, not a sweet pancake.
Customizable: Swap the chips, add peanut butter, or toss in a pinch of cinnamon without changing the method.
Fast: From craving to cookie in about 5 minutes, including the crucial cool-down.

Pairs Well With

Storage Tips

Realistically, this is designed to be eaten warm, straight from the mug. But if you have leftovers, here's how to keep them decent.

Room temperature: Cover the mug tightly (or transfer to a small container) and keep for up to 1 day. The texture will firm up.
Reheat: Microwave in 5 to 10 second bursts just until warmed. Add a few new chocolate chips on top to bring back the melty vibe.
Freeze: You can freeze the cooked mug cookie, but it's not my favorite. If you do it, wrap well and freeze up to 1 month, then thaw and warm gently.

Common Questions

What kind of mug should I use?

Use a microwave-safe ceramic mug that holds at least 10 to 12 ounces. The cookie rises a bit, and you want stirring room. A wider mug helps it cook more evenly. If you use an 8-ounce mug, you are flirting with overflow.

Why did my mug cookie turn out rubbery?

Two usual culprits: over-microwaving or too much flour. Microwaves vary a lot (these times assume roughly a 1000W microwave), so start at 50 seconds, then add 5 to 10 seconds only if the center still looks raw. And spoon flour into your measuring spoon, then level it. Packing flour turns this into a hockey puck.

Can I make it without brown sugar?

Yes. Use all white sugar. You will lose a little chew and caramel flavor, but it will still hit the spot.

Can I make it egg-free?

This recipe is already egg-free. A tiny amount of milk keeps it tender without making it cakey.

How do I know when it's done?

The top should look set around the edges, with the center still a little soft and glossy. If the middle looks like wet, raw batter, give it another 5 to 10 seconds. It will finish cooking from residual heat as it sits for a minute.

What texture should I expect?

Think warm, soft, and spoonable in the middle, with edges that can firm up as it cools. In general, slightly underdone is the move here. You can always add a few seconds, but you cannot un-microwave it.

A ceramic mug in a microwave with cookie dough slightly puffed on top as it cooks

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

Microwave-safe ceramic mug (10 to 12 ounces or larger)
Measuring spoons
Small spoon or fork for mixing
Microwave

I went to school with the idea of a culinary degree, but I ended up chasing the practical side of cooking, the kind you can pull off on a random Tuesday when you're tired and still want something great. This mug cookie is exactly that energy. It's not trying to be a bakery cookie. It's trying to be a warm, buttery little reward with melty chocolate, made in the time it takes to convince yourself you do not need dessert. Spoiler: you do.