Microwave radiation at 2.45 GHz frequency creates steam pockets that cook this brownie in 90 seconds flat.
Chocolate Brownie Mug Cake
Indulge in a delightful chocolate brownie mug cake that’s ready in a flash! With just a handful of ingredients like rich cocoa powder and velvety chocolate chips, this microwave treat is the perfect way to satisfy your sweet cravings. In under five minutes, you can enjoy a warm, gooey dessert that’s simply irresistible!
Prep
5
min
Cook
4
min
Serves
1
people
Level
beginner
The Story
This microwave mug cake madness traces back to 1980s American college dorms when broke students discovered they could transform basic pantry staples into instant gratification—but swapping wheat flour for oat flour is pure Scandinavian health-obsessed genius, turning what was once a desperate midnight snack into something Norwegian fitness influencers would actually Instagram without shame.
Regional Twist
In Bavaria's Munich district, they replace the dark chocolate pieces with chunks of Ritter Sport Alpenmilch and fold in crushed Lebkuchen spices, creating a Christmas market experience in sixty seconds flat.
📝 Ingredients
Shopping List
- chocolate-covered protein puffs (to taste)
- 2 pieces dark chocolate
- 1 egg
- 60 ml milk
Pantry Items
Amounts also listed in instructions below
- baking powder (to taste)
- cocoa powder (to taste)
- oat flour (to taste)
👨🍳 Instructions
- 1
In a bowl, combine 1 egg, 60 ml of milk, 40 g of oat flour (brownie flavor), 10 g of unsweetened cocoa powder, and 2 g of baking powder.
- 2
Mix everything together, then add 2 pieces of dark chocolate and chocolate-covered protein puffs to taste.
- 3
Microwave on high for about 3 to 4 minutes.
💡 Pro Tips
- ✓Microwave at 70% power instead of full power to prevent the edges from overcooking while the center stays raw, as microwaves heat unevenly and full power creates temperature gradients of 40°F+ across small portions.technique70% power
- ✓Add 1-2 tablespoons of water to the mug before microwaving to create steam that prevents the cake from drying out, as microwave cooking removes moisture 3x faster than conventional baking.technique1-2 tablespoons
- ✓Use room temperature egg and milk because cold ingredients create uneven heating patterns in microwaves, leading to rubbery textures from protein coagulation at inconsistent rates.ingredient
- ✓Stop and stir halfway through cooking (at 90 seconds) to redistribute heat and prevent overcooking the edges, as microwave hot spots can reach 200°F+ while centers stay at 140°F.timing90 seconds
- ✓Let the mug cake rest for 30-45 seconds after microwaving because residual heat continues cooking the center while surface temperature equalizes, preventing a molten middle with overcooked edges.timing30-45 seconds
Share this recipe
Prep
5
min
Cook
4
min
Serves
1
people
Level
beginner
Share this recipe
Microwave radiation at 2.45 GHz frequency creates steam pockets that cook this brownie in 90 seconds flat.
Chocolate Brownie Mug Cake
Indulge in a delightful chocolate brownie mug cake that’s ready in a flash! With just a handful of ingredients like rich cocoa powder and velvety chocolate chips, this microwave treat is the perfect way to satisfy your sweet cravings. In under five minutes, you can enjoy a warm, gooey dessert that’s simply irresistible!
The Story
This microwave mug cake madness traces back to 1980s American college dorms when broke students discovered they could transform basic pantry staples into instant gratification—but swapping wheat flour for oat flour is pure Scandinavian health-obsessed genius, turning what was once a desperate midnight snack into something Norwegian fitness influencers would actually Instagram without shame.
Regional Twist
In Bavaria's Munich district, they replace the dark chocolate pieces with chunks of Ritter Sport Alpenmilch and fold in crushed Lebkuchen spices, creating a Christmas market experience in sixty seconds flat.
📝 Ingredients
Shopping List
- chocolate-covered protein puffs (to taste)
- 2 pieces dark chocolate
- 1 egg
- 60 ml milk
Pantry Items
Amounts also listed in instructions below
- baking powder (to taste)
- cocoa powder (to taste)
- oat flour (to taste)
👨🍳 Instructions
- 1
In a bowl, combine 1 egg, 60 ml of milk, 40 g of oat flour (brownie flavor), 10 g of unsweetened cocoa powder, and 2 g of baking powder.
- 2
Mix everything together, then add 2 pieces of dark chocolate and chocolate-covered protein puffs to taste.
- 3
Microwave on high for about 3 to 4 minutes.
💡 Pro Tips
- ✓Microwave at 70% power instead of full power to prevent the edges from overcooking while the center stays raw, as microwaves heat unevenly and full power creates temperature gradients of 40°F+ across small portions.technique70% power
- ✓Add 1-2 tablespoons of water to the mug before microwaving to create steam that prevents the cake from drying out, as microwave cooking removes moisture 3x faster than conventional baking.technique1-2 tablespoons
- ✓Use room temperature egg and milk because cold ingredients create uneven heating patterns in microwaves, leading to rubbery textures from protein coagulation at inconsistent rates.ingredient
- ✓Stop and stir halfway through cooking (at 90 seconds) to redistribute heat and prevent overcooking the edges, as microwave hot spots can reach 200°F+ while centers stay at 140°F.timing90 seconds
- ✓Let the mug cake rest for 30-45 seconds after microwaving because residual heat continues cooking the center while surface temperature equalizes, preventing a molten middle with overcooked edges.timing30-45 seconds