7-Minute Eggless Biscoff Mug Cake Recipe

Indulge in a heavenly treat that’s ready in just minutes with this eggless Biscoff milk cake recipe. Rich Biscoff flavor meets a moist, fluffy sponge in a quick, microwave-friendly method that requires no eggs and minimal cleanup. Perfect for when you want a fast dessert that tastes special, this cake soaks up a creamy Biscoff-infused milk for intense flavor and a tender crumb. Whether you’re serving it for guests or satisfying a sudden sweet craving, this simple recipe delivers satisfying results every time.

What You’ll Love About This

  • Easy and quick to prepare
  • Ready in about 7 minutes in the microwave
  • No oven required
  • Egg-free and family friendly

Biscoff milk cake

Ingredients Used in Biscoff Milk Cake

Sugar

Sugar provides sweetness and helps retain moisture in the sponge so the microwave cake doesn’t become dry. Use a fine granulated sugar for even mixing.

Oil

Vegetable oil keeps the cake tender and yields a soft crumb. Liquid fats blend evenly into the batter and help maintain moistness.

Milk

Milk thins the batter for the right consistency and reacts with leavening agents to create bubbles that make the cake rise. Use warm milk when preparing the batter and the soak.

All-Purpose Flour

All-purpose flour forms the cake’s structure and interacts with leavening agents to give a soft, cohesive crumb. Sift or whisk the flour to avoid lumps.

Leavening Agents

Baking powder and baking soda provide lift and airiness. They ensure the cake rises evenly in the microwave and results in a light texture.

Biscoff cake slice

Tips for Making Biscoff Milk Cake

  1. Grease your microwave-safe dish with oil or melted butter before pouring the batter.
  2. Bring all ingredients to room temperature for more consistent mixing and rise.
  3. Pour the milk soak over the cake while it is still warm, and be sure to prick the sponge so the liquid absorbs evenly.
  4. Use all the milk soak called for in the recipe — it’s what gives the cake its signature moist, rich texture.
  5. Chill the cake for 15–20 minutes before finishing with whipped cream so the soak sets and flavors meld.

Biscoff cake preparation

Equipment Recommendations

Using good-quality equipment makes baking easier and helps produce reliable results. Use a microwave-safe mixing bowl and a greased microwave-proof dish. A silicone spatula, measuring cups and spoons will make mixing and portioning simple and precise.

This cake can be prepared in the microwave in about 7 minutes, plus a short resting time for the soak to absorb and chill.

Other Recipes from the Blog

  1. Mocha Milk Cake
  2. Milk Cake
  3. Rose Milk Cake
Biscoff Milk Cake
Ingredients
  • 1 cup milk, warm
  • 1 tbsp vinegar
  • 1/2 cup sugar
  • 1/2 cup oil
  • 1/4 cup Biscoff spread, melted
  • 1 + 1/2 cup all-purpose flour
  • 1 tsp baking powder
  • 1 tsp baking soda
  • For the soak:
  • 1 cup milk, warm
  • 6 tbsp fresh cream
  • 1/4 cup Biscoff spread, melted
  • For garnish:
  • Whipped cream
  • Biscoff spread
  • Biscoff biscuits
Instructions
  1. In a bowl, whisk warm milk with vinegar and set aside to curdle slightly.
  2. Add sugar, oil and melted Biscoff spread to the milk mixture and whisk until combined.
  3. Fold in the dry ingredients — flour, baking powder and baking soda — and whisk to form a smooth batter.
  4. Pour the batter into a greased microwave-safe dish and microwave for about 6 minutes or until a skewer inserted comes out clean.
  5. While the cake cooks, prepare the soak by combining warm milk, fresh cream and melted Biscoff spread; whisk until smooth.
  6. Once baked, poke holes in the cake with a skewer and pour the soak over the cake, allowing it to absorb fully.
  7. Refrigerate for at least 15–20 minutes to set.
  8. Top with whipped cream, a drizzle of Biscoff spread and crushed Biscoff biscuits before serving.
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If you try this Biscoff milk cake, share your photos on Instagram and tag #BakewithShivesh. Happy baking!