Nutrition information per serving: 340 calories; 18.8 g fat; 4.5 g saturated fat; 93.6 mg cholesterol; 195.8 mg sodium; 36.2 g carbohydrate; 7.8 g fiber; 19.6 g sugar; 15.1 g protein
Mash banana in a medium bowl with a fork. Add peanut butter and egg and stir until well blended. Stir in maple syrup and cocoa until smooth.
Divide batter between 2 microwave-safe mugs. Microwave on high for 1–2 minutes, or until cake is firm and has risen.
Top with yogurt and raspberries.