A soft sugar cookie made in a mug is not only possible — it’s fast and simple. This single-serve sugar cookie mug cake is the perfect little treat when you’re craving holiday flavors or don’t want to bake an entire batch.
Ideal for dorm rooms, busy weeknights, or whenever you want one warm cookie without the fuss of the oven.
I used to dislike sugar cookies because of the dry, store-bought variety. After making homemade soft sugar cookies last holiday season, I changed my mind — especially when paired with a simple vanilla frosting. This mug version captures that same familiar flavor in a quick microwave recipe.
“I needed sugar cookies late at night and this mug cookie hit the spot. It was easy, quick, and delicious. I’ll definitely be making this often!”
– Teena
This is the best sugar cookie in a mug recipe ever!
After the holidays I didn’t want to bake dozens of cookies, so I adapted the soft sugar cookie flavor into a single-serve microwave version. The texture will be slightly different from oven-baked cookies, but the taste is spot on — sweet, buttery, and satisfying.
Disclaimer
This mug sugar cookie will have a slightly different texture from oven-baked cookies, but the flavor remains the same.
What makes this mug sugar cookie special?
Single-serve mug desserts are perfect when you want a fresh treat without leftovers. This mug sugar cookie is soft, chewy, and delivers classic sugar cookie flavor with minimal effort.
- Made in a mug and cooked in the microwave for a fast result.
- Great dorm room dessert or a quick treat for anyone short on time.
- Single serve helps with portion control and reduces waste.
- Soft and chewy texture thanks to a small amount of cornstarch and an egg yolk.
More single serve mug dessert recipes you’ll love!
- Easy Single Serve Pumpkin Mug Cake (single-serve fall favorite)
- Festive Christmas Cake Mix Mug Cake (quick holiday mug dessert)
- Healthy Chocolate Chip Vegan Mug Cookie (plant-based single serve)
- Easy 60-Second Chocolate Chip Mug Cookie (classic microwave cookie)
Ingredients for sugar cookie mug cake
Below are the ingredients you’ll need for a single mug sugar cookie. See the recipe card further down for exact measurements and full instructions.
- Butter – salted or unsalted, melted in the mug.
- Granulated sugar and brown sugar – a mix helps keep the cookie tender and adds flavor depth.
- Egg yolk – adds moisture and richness so the cookie stays soft.
- Vanilla extract – use good-quality vanilla for the best flavor.
- All-purpose flour – the base of the cookie.
- Corn starch – a small amount helps create a soft, slightly cakey texture that mimics bakery-style sugar cookies.
- Salt – just a pinch to balance the sweetness.
How to make a sugar cookie in a mug
These are the basic steps to make the mug sugar cookie. Scroll down to the recipe card for exact amounts and cook time.
- Melt the butter in the mug.
- Stir in granulated and brown sugar until combined.
- Add the egg yolk and vanilla, mix well.
- Combine flour, cornstarch, and a pinch of salt until smooth.
- Microwave briefly until just set; let cool a moment and enjoy warm.
Does the size of the mug matter?
Yes and no. Use a mug or small bowl that leaves about one-third of the space empty so the cookie won’t overflow while it rises slightly in the microwave. A wider, shallow mug or small bowl gives a flatter, more cookie-like result. A narrow, tall mug tends to produce a thicker, more cake-like texture.
Tip: Choose a large or wide mug for a more traditional cookie shape, or a small bowl if you prefer a wider, flatter cookie.
Do I need to grease my mug?
No. Because the recipe starts by melting butter directly in the mug, the melted butter will coat the surface and prevent sticking. You can enjoy the cookie straight from the mug or bowl you used to prepare it.
Tips to make the best microwave sugar cookie in a mug
A few tips to ensure a perfect mug cookie every time:
- Don’t overcook. Microwaves vary — start with the recommended time and add 5–10 second increments if needed. Overcooking dries the cookie out quickly.
- Check doneness early. The cookie should be set but still slightly soft in the center; it will continue to firm up as it cools.
- Enjoy immediately. Mug cookies are best warm. They tend to firm up as they cool, so eat shortly after cooking for the best texture.
- Adjust to preference. If you like a slightly cakier texture, use a deeper mug; for a flatter, chewier cookie use a wider vessel.
Soft and Chewy Sugar Cookie in a Mug
Equipment
- Wide mug or small bowl
Ingredients
- 2 tbsp butter
- 1.5 tbsp granulated sugar
- 1/2 tbsp brown sugar
- Pinch salt
- 1 large egg yolk
- 1/4 tsp vanilla extract
- 3 tbsp all purpose flour
- 1 tbsp corn starch
- 1/2 tsp granulated sugar for topping
Instructions
- Start by melting the butter in your mug in the microwave (about 15–30 seconds, depending on temperature).
- Add the granulated sugar, brown sugar, and salt; stir until combined. Mix in the egg yolk and vanilla.
- Add the flour and cornstarch, stirring just until combined. Flatten the top with a spoon and sprinkle with 1/2 tsp granulated sugar for a traditional finish.
- Microwave for 40–50 seconds. Check at 40 seconds — if the center is still underdone, microwave in 5–10 second increments until set. Let cool briefly and enjoy.
Nutrition
Calories: 468 | Carbohydrates: 51 g | Protein: 5 g | Fat: 27 g | Saturated Fat: 16 g | Sugar: 26 g
Nutrition information is automatically calculated and should be used as an approximation.
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