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Peanut Butter Cookie In A Mug

This peanut butter cookie in a mug is perfect for when you have a sweet tooth but don't want to make an entire batch of cookies. So quick and easy! — Taste of Home Test Kitchen, Milwaukee, Wisconsin
  • Total Time
    Prep: 10 min. Cook: 2 min.
  • Makes


  • 1 tablespoon butter, softened
  • 3 tablespoons creamy peanut butter
  • 3 tablespoons sugar
  • 1 large egg yolk
  • 1/4 cup all-purpose flour
  • 3 tablespoons 2% milk
  • 1/8 teaspoon vanilla extract
  • 1 tablespoon chopped unsalted peanuts


  • Spray 12-ounce mug with cooking spray. Add butter; microwave on HIGH until melted, 10 seconds. Stir in peanut butter and sugar until combined. Add egg yolk; stir in flour. Add milk and vanilla extract. Top with peanuts.
  • Microwave on HIGH until set, 1 to 1-1/2 minutes. Serve immediately.
Nutrition Facts
1 1 cake: 782 calories, 46g fat (15g saturated fat), 219mg cholesterol, 327mg sodium, 77g carbohydrate (46g sugars, 4g fiber), 20g protein.

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Average Rating:
  • cindiak
    May 26, 2020

    I've been craving peanut butter cookies but know better than to bake up a batch since I'll eat them all. This was perfect for my craving. It was delicious!

  • Cheryl
    Apr 27, 2020

    Made this today... not as good as the photo looked. I’d rather make the cookies...