Ingredients

Creating this delightful single-serving dessert requires just a handful of common pantry staples. Each ingredient plays a crucial role in achieving that perfect, fluffy texture and rich vanilla flavor. Here’s what you’ll need to have on hand.

All-Purpose Flour (4 tablespoons): This is the structural backbone of your cake, providing the body and texture. Standard all-purpose flour works best for a light and tender crumb.
Granulated Sugar (3 tablespoons): The primary sweetener, sugar not only adds that classic cake flavor but also helps to keep the cake moist and tender.
Baking Powder (¼ teaspoon): This is the essential leavening agent. It reacts with the liquid ingredients to create tiny air bubbles, causing the cake to rise beautifully in the microwave and giving it a light, airy texture. Make sure your baking powder is fresh for the best results.
Pinch of Salt (⅛ teaspoon): A tiny amount of salt might seem insignificant, but it’s a flavor powerhouse. It balances the sweetness of the sugar and enhances the warm notes of the vanilla, making the overall flavor profile more complex and satisfying.
Milk (3 tablespoons): Milk provides the necessary moisture to bring the batter together. It helps to dissolve the sugar and activate the baking powder, contributing to a soft, moist final product. Whole milk will provide a richer flavor, but any type of milk (including almond, soy, or oat milk) will work.
Vegetable Oil (2 tablespoons): Fat is key to a moist and tender cake. The oil coats the flour proteins, preventing them from developing too much gluten, which would result in a tough, rubbery texture. Any neutral-flavored oil like canola, sunflower, or melted coconut oil is perfect.
Pure Vanilla Extract (½ teaspoon): This is the star of the show. A good quality pure vanilla extract will impart a deep, aromatic, and authentic vanilla flavor that defines the cake. It’s worth using the real stuff over imitation vanilla for the most delicious outcome.

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Instructions

Follow these simple steps to go from craving to cake in under five minutes. The process is incredibly straightforward, making it a perfect recipe for beginners or when you need a dessert in a hurry.

Choose Your Mug: Select a standard-sized, microwave-safe coffee mug (approximately 12-14 ounces is ideal). A larger mug provides ample room for the cake to rise without spilling over the sides. If you wish, you can lightly grease the inside of the mug with a little oil or butter to ensure the cake releases easily, though it’s not strictly necessary.
Combine Dry Ingredients: In the mug, add the all-purpose flour, granulated sugar, baking powder, and salt. Use a fork or a small whisk to mix these dry ingredients together thoroughly. This step is crucial to ensure the baking powder is evenly distributed, which guarantees a consistent rise and prevents any salty or bitter pockets in your finished cake.
Add Wet Ingredients: Pour the milk, vegetable oil, and pure vanilla extract directly into the mug on top of the mixed dry ingredients.
Mix the Batter: Using the same fork or whisk, gently stir the wet and dry ingredients together until they are just combined. Scrape the bottom and sides of the mug to make sure no dry flour patches remain. Be careful not to overmix! A few small lumps in the batter are perfectly fine. Overmixing will develop the gluten in the flour, resulting in a dense and rubbery cake instead of a light and fluffy one.
Microwave to Perfection: Place the mug in the center of your microwave. Cook on high power for 70 to 90 seconds. Microwave wattages vary significantly, so your cooking time may differ. Start with 70 seconds and check for doneness. The cake should have risen and the top should look dry and feel springy to the touch. If it still looks wet in the center, microwave it in additional 10-second intervals until it’s fully cooked.
Rest and Enjoy: Carefully remove the mug from the microwave—it will be very hot! Let the cake rest for a minute or two. This allows the cake to finish “carryover cooking” from the residual heat and helps it set up properly. You can eat it directly from the mug or carefully run a knife around the edge and invert it onto a small plate.

Nutrition

Serving Size: one normal portion
Calories: 450
Sugar: 32g
Fat: 21g
Carbohydrates: 60g
Protein: 6g