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Fluffy Blueberry Mug Cake: Easy 2-Minute Microwave Treat


  • Author: chef Jennifer
  • Total Time: 3 minutes
  • Yield: 1 mug cake 1x

Description

This Fluffy Blueberry Mug Cake is a quick and delicious single-serve dessert that tastes like a freshly baked blueberry muffin. Made with simple pantry ingredients and bursting with juicy blueberries, this microwave mug cake comes together in just 3 minutes. Light, tender, and perfectly sweet, it’s ideal for breakfast, an afternoon snack, or a cozy dessert when you want something homemade without the hassle of baking.


Ingredients

Scale

Mug Cake Batter:

  • ¼ cup all-purpose flour
  • 1 tablespoon granulated sugar
  • ¼ teaspoon baking powder
  • ¼ teaspoon salt
  • 3 tablespoons milk
    (dairy or plant-based)
  • 1 tablespoon butter, softened
  • ¼ teaspoon vanilla extract
  • 3 tablespoons blueberries
    (fresh or frozen)

Optional Toppings:

  • Whipped cream
  • Greek yogurt
  • Honey or maple syrup
  • Fresh blueberries
  • Lemon zest
  • Powdered sugar

Instructions

  • Mix the Dry Ingredients
    • In a 12 oz microwave-safe mug, combine flour, sugar, baking powder, and salt.
    • Stir until evenly mixed.
  • Add the Wet Ingredients
    • Add milk, softened butter, and vanilla extract.
    • Stir gently until just combined.
    • A few small lumps are perfectly fine.
  • Fold in the Blueberries
    • Gently fold the blueberries into the batter.
    • Avoid overmixing or crushing the berries.
  • Microwave
    • Microwave on high for 60 seconds.
    • Check for doneness. The cake should look risen and set.
    • If needed, microwave in 10-second intervals up to 90 seconds total.

 

  • Cool and Serve
    • Let the mug cake cool for about 1 minute.
    • Add your favorite toppings and enjoy warm.

Notes

Pro Tips:

  • Use frozen blueberries straight from the freezer—no thawing needed.
  • Avoid overmixing to maintain a light and fluffy texture.
  • Start checking at 60 seconds to prevent overcooking.
  • Use a 12 oz or larger mug to allow room for the cake to rise.
  • Add a pinch of lemon zest to enhance the blueberry flavor.

Delicious Variations:

  • Lemon Blueberry Mug Cake: Add ½ teaspoon lemon zest and a squeeze of fresh lemon juice.
  • Mixed Berry Version: Combine blueberries with raspberries or diced strawberries.
  • Protein-Packed: Add 1 teaspoon vanilla protein powder and an extra splash of milk.
  • Gluten-Free: Use a 1:1 gluten-free flour blend.
  • Vegan: Swap in plant-based milk and vegan butter.
  • Blueberry Cinnamon Cake: Add ⅛ teaspoon ground cinnamon for warmth.

Storage:

  • Best enjoyed immediately after cooking.
  • Refrigerate leftovers for up to 24 hours.
  • Reheat in the microwave for 15–20 seconds before serving.

Serving Suggestions:

Serve warm with Greek yogurt and honey for breakfast, or top with whipped cream and fresh berries for a simple dessert. Pair with coffee, tea, or a fruit smoothie for a complete treat.

  • Prep Time: 2 minutes
  • Cook Time: 1 minute
  • Category: Dessert
  • Cuisine: American

Nutrition

  • Serving Size: 1 serving
  • Calories: 260–320 kcal
  • Sugar: 12–16g
  • Fat: 10–12g
  • Carbohydrates: 38–42g
  • Fiber: 2–3g
  • Protein: 5–7g

Keywords: Fluffy Blueberry Mug Cake