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mini vanilla sponge cake recipe for one batter rising in a microwave-safe mug

Mini Vanilla Sponge Cake for One

A light, fluffy, and quick-to-make vanilla sponge cake, perfect for satisfying a sweet craving in just minutes! Whether baked or microwaved, this single-serving treat is simple, delicious, and easily customizable.
Prep Time 5 minutes
Cook Time 1 minute
Total Time 6 minutes
Course Dessert, Snack
Cuisine Easy Baking, Quick
Servings 1
Calories 180 kcal

Ingredients
  

Dry Ingredients:

  • 3 tablespoons all-purpose flour Use 1:1 gluten-free flour for a GF version.
  • 2 teaspoons granulated sugar
  • ¼ teaspoon baking powder

Wet Ingredients:

  • 2 tablespoons milk dairy or plant-based, such as almond or oat milk
  • ½ teaspoon vanilla extract for that delightful flavor boost
  • 1 tablespoon vegetable oil

Optional Enhancements:

  • A pinch of salt balances sweetness
  • 1 tablespoon plain yogurt or non-dairy substitute for extra moisture

Instructions
 

Prepare Your Batter

  • In a small bowl, whisk together flour, sugar, and baking powder.
  • Stir in milk, vanilla extract, and vegetable oil until just combined.

Mix with Care

  • Gently fold the wet ingredients into the dry ingredients.
  • Add a pinch of salt or plain yogurt, if using.
  • Stir until smooth, but don’t overmix to keep it light.

Microwave or Oven Magic

  • Microwave Method: Pour batter into a microwave-safe mug. Heat on high for 60 seconds.
  • Oven Method: Pour batter into a greased ramekin and bake at 350°F (175°C) for 12-15 minutes.

Final Touches & Serving

  • Let cool slightly before enjoying.
  • Optional: Dust with powdered sugar or drizzle with honey or syrup.

Video

Notes

Make it richer: Add ½ teaspoon melted butter for extra flavor.
Want a chocolate twist? Mix in ½ teaspoon cocoa powder.
Storage: Best eaten fresh, but can be stored in an airtight container for 1 day.
Keyword Easy single-serving dessert, Mini sponge cake, Mug cake, Quick vanilla cake