These were really good! Tried them last night.

Chocolate Brownie Mug Cake (Low Carb & Gluten Free)
Yield: 2 servings

Warm and comforting, this is the quickest way to low carb brownie bliss there is!
Ingredients
• 2 Tbsp butter
• 3 Tbsp almond flour
• 1 tsp coconut flour
• 1 1/2 Tbsp granulated sugar substitute
• 1/4 tsp vanilla
• pinch of salt
• 1 egg
• 1 Tbsp unsweetened cocoa powder
• 1/2 tsp baking powder
• 1 square Lindt 90% chocolate, chopped
• 2 Tbsp pecans, chopped (optional)
 
Instructions
• Melt the butter in a small microwave safe  bowl (about 30 seconds in microwave). Add the remaining ingredients and stir until combined. Pour batter into 2 small greased mugs or ramekins. Microwave for 1 minute. (add another 30 seconds if necessary). Serve with whipped cream or sugar free vanilla ice cream.
Notes
Approximate nutrition info per mug: 230 calories, 23g fat, 3g net carbs, 6g protein