A rich, gooey, and chocolatey single-serve brownie made with oats, cocoa, and chocolate chips. Ready in just minutes, it’s the perfect quick dessert for chocolate cravings without baking a whole batch. Whether you're looking for a cozy treat during cold evenings or a quick indulgence, this recipe is a must-try!
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In a microwave-safe mug, mix oats, cocoa powder, sugar, baking powder, and salt.
Add milk, melted butter, and vanilla extract. Stir until smooth and flowing.
Fold in chocolate chips and mix well.
Microwave on high for 1 minute 30 seconds to 2 minutes. Start checking at 90 seconds; the brownie should be set on top but fudgy in the center.
Let cool for 1–2 minutes before serving.
Add peanut butter, caramel, or nut butter on top for extra flavor.
Use oat flour for a smoother, softer texture.
Swap sugar for honey, maple syrup, or your preferred sweetener.
Microwave times may vary depending on wattage; adjust as needed.
Can I use oat flour instead of rolled oats?
Yes! Oat flour will give a smoother, softer texture, and you may need slightly less milk.
Can I make it sugar-free?
Yes, substitute sugar with a sugar-free sweetener or a mashed banana for natural sweetness.
Can I make this vegan?
Absolutely. Use plant-based milk (like almond or oat milk) and coconut oil or vegan butter instead of regular butter.
Can I make it without butter or oil?
Yes, though the brownie will be less rich and fudgy. You may need slightly more milk to keep it moist.
Can I bake this in the oven instead of the microwave?
Yes, bake in a small oven-safe ramekin at 350°F (175°C) for 10–12 minutes until set.
Can I store leftovers?
It’s best enjoyed fresh, but you can refrigerate for 1–2 days and reheat before serving.
How do I know when it’s done?
The top should be set, but the center can remain slightly fudgy. Check at 90 seconds in the microwave.
Can I make a larger portion for two people?
Yes, double all ingredients and microwave 2–3 minutes, checking halfway.
Can I make it sugar-free?
Yes, substitute sugar with a sugar-free sweetener or a mashed banana for natural sweetness.
I’m Rajani, a passionate cook with over 15 years of experience creating delicious, approachable dishes. My love for food began in childhood, inspired by watching Sanjeev Kapoor’s Khana Khazana with my mom and helping her in the kitchen. On The Gourmet’s Hut, I share tried-and-tested authentic Indian recipes and quick microwave mug cake recipes perfect for busy days. My goal is to make cooking simple, flavorful, and fun—because food brings people together and every meal should create memories.
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