- Place butter in a microwave-safe mug. Microwave until melted, about 15 seconds. Swirl mug until fully coated.
- Combine almond flour, egg, baking powder, and salt in the mug; whisk until smooth.
- Microwave at maximum power until set, about 90 seconds. Let cool for 2 minutes before slicing.
Per Serving: 408 calories; 36.4 g fat; 9.8 g carbohydrates; 14.5 g protein; 194 mg cholesterol; 542 mg sodium
Prep Time: 5 Minutes
Cook Time: 2 Minutes
Number of Servings: 1