Ingredients
Instructions
1. Melt the butter in a 10 to 12-ounce microwave-safe mug.
2. Add the peanut butter, brown sugar, milk, and vanilla extract. Stir until smooth.
3. Add the flour, baking powder, and salt. Mix just until no dry flour remains.
4. Fold in the chocolate chips, if using.
5. Microwave on high for 60 to 90 seconds, until the edges look set and the center remains slightly soft.
6. Let the blondie rest for 1 to 2 minutes before serving.
7. Enjoy it warm, or top it with vanilla ice cream, whipped cream, or extra peanut butter.
Notes
Measure the flour accurately to keep the blondie soft and chewy.
Do not overmix the batter.
Start checking the mug cake after 60 seconds because microwave power varies.
The center should remain slightly soft because it continues cooking as it rests.
Stir natural peanut butter thoroughly before measuring.
Add chopped roasted peanuts for extra crunch.
Store leftovers in the refrigerator for up to 2 days.
Reheat for 10 to 15 seconds before serving.
- Prep Time: 5 minutes
- Cook Time: 1 minute 30 seconds
- Category: Vanilla & Spice Mug Cakes
- Method: Microwave
- Cuisine: American
- Diet: Vegetarian
Nutrition
- Serving Size: 1 mug cake
- Calories: 430
- Sugar: 24g
- Sodium: 240mg
- Fat: 25g
- Saturated Fat: 9g
- Unsaturated Fat: 14g
- Trans Fat: 0g
- Carbohydrates: 42g
- Fiber: 2g
- Protein: 10g
- Cholesterol: 30mg