High Protein Cinnamon Roll Mug Cake (Printable)

A protein-packed single-serve treat with cinnamon sugar swirl and creamy topping, ready in minutes.

# What You'll Need:

→ Cake Batter

01 - 1/4 cup vanilla protein powder
02 - 2 tablespoons oat flour
03 - 1/4 teaspoon baking powder
04 - 1/4 teaspoon ground cinnamon
05 - 1 tablespoon granulated sweetener
06 - Pinch of salt
07 - 3 tablespoons milk
08 - 1 large egg white
09 - 1/2 teaspoon vanilla extract

→ Cinnamon Swirl

10 - 1/2 tablespoon melted butter or coconut oil
11 - 1 tablespoon brown sugar or coconut sugar
12 - 1/2 teaspoon ground cinnamon

→ Cream Cheese Topping

13 - 1.5 tablespoons light cream cheese, softened
14 - 1 teaspoon milk
15 - 1/2 tablespoon powdered sweetener or sugar
16 - 1/4 teaspoon vanilla extract

# Directions:

01 - In a microwave-safe mug of at least 10 fluid ounces, combine protein powder, oat flour, baking powder, cinnamon, sweetener, and salt. Whisk thoroughly until well blended.
02 - Add milk, egg white, and vanilla extract to the dry mixture. Stir continuously until a smooth, lump-free batter forms.
03 - In a separate small bowl, combine melted butter, brown sugar, and cinnamon. Mix until a thick paste forms.
04 - Distribute spoonfuls of the cinnamon mixture across the surface of the batter. Using a toothpick or knife, create swirling patterns by dragging the tool through the layers.
05 - Place mug in microwave and cook on high power for 60 to 90 seconds until the cake sets completely. The center should appear cooked but retain a moist texture. Avoid overcooking.
06 - While the cake cools slightly, blend together softened cream cheese, milk, powdered sweetener, and vanilla extract until creamy and smooth.
07 - Spread the cream cheese topping evenly over the warm mug cake. Serve immediately for optimal flavor and texture.

# Expert Advice:

01 -
  • It's ready before your coffee cools down, which means zero guilt about dessert timing.
  • Twenty grams of protein means it actually keeps you satisfied, not just sugar-rushed.
  • The cream cheese topping tastes indulgent while keeping everything balanced and reasonable.
02 -
  • Overcooking by even 15 seconds transforms your cake from tender to bouncy-rubbery, so start checking at 60 seconds if your microwave runs hot.
  • Letting the cream cheese soften at room temperature for five minutes makes the difference between smooth topping and lumpy disappointment.
03 -
  • Use a mug that's at least 10 ounces because the batter expands during microwaving and you don't want overflow situations.
  • If your cream cheese is still cold, microwave it for five seconds first to soften it before beating, which saves frustration and lumps.
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