Microwave Brownie in a Mug
Fudgy, warm brownie ready in 3 minutes — no oven, no cooling, just chocolate cravings solved. Mix in a mug, microwave, eat straight from the mug.
- Total time
- 5 min
- Servings
- 1
- Calories
- 380
- Protein
- 4g

Ingredients
6 items — tap to check off
Missing one? Custrd suggests a swap that works.
Open the appInstructions
Step 1
Whisk flour, cocoa powder, and sugar in a microwave-safe mug until no lumps remain.
Step 2
Add oil and water, stir until smooth batter forms.
Step 3
Fold in chocolate chips.
Step 4
Microwave on high for 60–90 seconds until the top looks barely set but still jiggles slightly in the center.
Step 5
Let cool 1 minute so you don't burn your mouth, then eat directly from the mug.
Tools you’ll need
- microwave-safe mug (12 oz or larger)
- fork or small whisk
Cook smarter
Get matched recipes for what’s in your fridge
Custrd is an iPhone and Android app that finds real recipes from the ingredients you already have. No more grocery-list aspirations. Try it free for 7 days.



