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3-ingredient Nutella mug cake

Prep Time2 minutes
Cook Time2 minutes
Total Time4 minutes
Calories: 400kcal

Ingredients

  • Nutella – The star of the show. Rich chocolatey, and doing most of the heavy lifting here.
  • Egg – Just one. It holds everything together and adds structure and yes, it matters.
  • All-purpose flour – The smallest supporting role but still essential. No flour, no cake.

Instructions

  • Grab a microwave-safe mug.
  • Use a regular coffee mug, not a tiny espresso cup. Trust me, overflow is not the vibe.
  • Add the Nutella.
  • Spoon about 4 tablespoons of Nutella into the mug. Eyeballing works here. We’re not baking for a competition.
  • Crack in the egg.
  • Add 1 egg straight into the mug. Break the yolk and stir until smooth. Yes, it will look weird at first—keep going.
  • Stir in the flour.
  • Add 2 tablespoons of flour and mix until fully combined. No dry pockets allowed. The batter should look thick and glossy.
  • Microwave it.
  • Cook on high for 45–60 seconds. Start with 45. The center should look just set but still soft. Overcooking is the enemy here.
  • Let it rest (briefly).
  • Give it about 30 seconds to cool unless you enjoy burning your tongue. I’ve been there. Regrets were made.
  • Grab a spoon and dig in.
  • No plates required. Zero judgment if you eat it straight from the mug.