Jamie Oliver’s 10-Minute Microwave Mug Cake is a quick and comforting dessert made with ripe banana, self-raising flour, brown sugar, egg, olive oil, and melted chocolate. This easy mug cake recipe transforms simple pantry ingredients into a warm, gooey treat in just minutes, making it perfect for last-minute desserts, cozy nights, or using up leftover chocolate.
Why Everyone Will Love This Recipe
This microwave mug cake is fast, simple, and packed with homemade flavor. The banana keeps the cake moist, the brown sugar adds caramel-like sweetness, and the melted chocolate creates delicious gooey pockets throughout. It’s a great dessert when you want something warm and satisfying without turning on the oven.
What Is the Dish?
A mug cake is a single-serving cake designed to be cooked quickly in a microwave rather than baked in a traditional oven. These desserts became popular because they require minimal preparation, fewer dishes, and ingredients that are commonly found in most kitchens.
Jamie Oliver’s version takes the concept a step further by using ripe banana as a natural sweetener and adding olive oil for moisture. Fun fact: microwave mug cakes became especially popular in the 2000s as home microwaves became a standard kitchen appliance, giving people a way to make small portions of freshly cooked desserts in minutes. Unlike traditional cakes that rely on longer baking times to develop texture, mug cakes focus on convenience while still delivering a warm, soft crumb.
Cooking Tips
- Use a very ripe banana with brown spots for the sweetest flavor and softest texture.
- Do not overcook the mug cake—the center should remain slightly gooey.
- Microwave strength varies, so adjust cooking time slightly depending on your appliance.
- Use microwave-safe cups that allow room for the cake to rise.
- Add lemon zest, espresso, nuts, or different chocolate varieties for extra flavor.
Frequently Asked Questions
Can I Make This Mug Cake Without a Food Processor?
Yes. Simply mash the banana well with a fork and mix the ingredients by hand.
Can I Use Regular Flour Instead of Self-Raising Flour?
Yes. Add baking powder to regular flour to help the cake rise.
Why Is My Mug Cake Rubbery?
Microwave cakes can become rubbery if overcooked. Reduce the cooking time slightly and check the center before adding more time.
Can I Use Another Oil Instead of Olive Oil?
Yes. A neutral oil such as vegetable oil can be used, though olive oil adds a subtle richness.
Can I Add Other Mix-Ins?
Absolutely. Try nuts, peanut butter, caramel pieces, dried fruit, or different chocolate chips.
How to Store
Microwave mug cake is best enjoyed fresh while warm and gooey. If needed, store leftover cake covered in the refrigerator for up to 2 days. Reheat briefly in the microwave before serving.
How to Freeze
Freezing is not recommended for the finished mug cake because the texture can become dry and change after thawing. For the best results, prepare the batter fresh when you want a quick dessert.
Ingredients
- 1 small ripe banana
- 75g self-raising flour
- 50g soft brown sugar
- Olive oil
- 1 large free-range egg
- A handful of leftover Christmas chocolates, your favorite chocolate bar, or chocolate chips
- Pinch of sea salt
Optional Flavor Additions:
- Lemon zest
- Shot of freshly brewed espresso (for adults)
How to Make Jamie Oliver's Mug Cake
- Peel the banana and place it in a food processor. Blend until smooth, or mash well by hand in a large bowl.
- Add flour, a pinch of sea salt, brown sugar, and 4 tablespoons of olive oil. Crack in the egg and blend or whisk until smooth.
- Spoon the batter evenly between 4 small microwave-safe cups (about 200 ml each).
- Break chocolate into chunks and push pieces into the batter.
- Microwave the cups in pairs on high (800W) for about 1 minute 30 seconds, or until risen and gooey in the middle.
- Carefully remove the cups from the microwave and let cool briefly. Serve with yogurt, custard, or a small scoop of ice cream.
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