Best Peanut Butter Cup Chocolate Chip Blondies

User Reviews

5.0

45 reviews
Excellent
  • Prep Time

    15 mins

  • Cook Time

    15 mins

  • Total Time

    35 mins

  • Servings

    16 servings

  • Calories

    255 kcal

  • Course

    Dessert

  • Cuisine

    American

Best Peanut Butter Cup Chocolate Chip Blondies

This one-bowl peanut butter blondie recipe makes drool-worthy, soft, and chewy bars stuffed with peanut butter cups no less - perfect for peanut butter lovers! 

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Ingredients

Servings
  • 1 cup all-purpose flour I use unbleached, add 2 tablespoons for high altitude
  • 1/2 cup butter room temperature, if using unsalted add ¼ teaspoon salt
  • 1/2 cup peanut butter Use creamy or crunchy, tip: natural PB can be too oily, use a no-stir peanut butter
  • 1 large egg room temperature
  • 1 cup brown sugar packed (reduce to ¾ cup for high altitude)
  • 1 tablespoon vanilla extract
  • 1/2 cup semi-sweet chocolate chips plus 1 tbs for sprinkling on top
  • 16 miniature peanut butter cups
  • ¼ teaspoon kosher salt
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Instructions

  1. Preheat oven to 350° F (175° C). Line an 8-by-8-inch baking pan with parchment paper (or aluminum foil with cooking spray). Set aside. Increase oven temperature to 375° F (190° C) for high-altitude baking.
  2. Sift flour (1 cup) and salt into a small bowl. Set aside.
  3. In a medium bowl mix the soft butter (½ cup) and egg (1) together. Stir in the peanut butter (½ cup), brown sugar (1 cup), vanilla extract(1 tablespoon), and mix. You can do this by hand, with a hand mixer or with a stand mixer.
  4. Add sifted flour and stir with a spoon until no more flour streaks show. Then Stir in chocolate chips (½ cup).
  5. Spoon batter into the prepared 8-by-8 pan, smoothing the top with the back of a spoon.
  6. Distribute the peanut butter cups (about 16 mini Reese’s peanut butter cups) evenly over the surface of the batter, pushing each cup down so the top is even with the surface of the batter.
  7. Sprinkle reserved chocolate chips (1 tablespoon) on the surface between the peanut butter cups.
  8. Bake for approx. 20-25 minutes, until a toothpick comes out clean, avoiding the chocolate chips.
  9. Allow bars to cool on a cooling rack for at least 15 minutes before slicing and serving. Or cool completely. Fresh Tip, use a plastic knife to slice the blondies cleanly. Serve with milk or ice cream. Enjoy!

Notes

  • Make a peanut butter cup pie! Spread into a 9-inch pie plate, press the peanut butter cups in and bake! Bake a little less time. 
  • TOP TIP: Don't overbake these blondies! They should lose their gloss on the top and barely turn golden brown. 
  • These peanut butter blondies are best when stored in an airtight container on the countertop for up to 5 days. 
  • Freeze for longer storage | Cool blondies completely, then wrap tight in plastic wrap (TIP: wrap individually for quick thaw and grab and go treats), then place in an airtight baggie. Freeze up to 3 months. Thaw on the counter. 
  • Malted Peanut Butter Blondies | Add ¼ cup of malted milk powder for a malty flavor!Use the thin peanut butter cups instead of miniature Reese’s peanut butter cups.
  • Gluten-Free Peanut Butter Cup Cookie Bars | Replace the flour with ½ cup gluten-free all-purpose flour and ½ cup of almond flour or oat flour; make sure the rest of your ingredients are gluten-free and bake as directed.
  • Low-Carb Peanut Butter Bars | Replace the peanut butter cups with a no-sugar peanut butter cup and chop into chunks. Use all almond flour and replace the sugar and chocolate chips with sugar-free substitutes. I like Lakanto brown sugar and Lily’s sugar-free chocolate chips.

Nutrition Information

Show Details
Serving 1serving Calories 255kcal (13%) Carbohydrates 28g (9%) Protein 4g (8%) Fat 15g (23%) Saturated Fat 7g (35%) Polyunsaturated Fat 2g Monounsaturated Fat 5g Trans Fat 0.2g Cholesterol 28mg (9%) Sodium 151mg (6%) Potassium 135mg (4%) Fiber 1g (4%) Sugar 20g (40%) Vitamin A 201IU (4%) Vitamin C 0.02mg (0%) Calcium 29mg (3%) Iron 1mg (6%)

Nutrition Facts

Serving: 16servings

Amount Per Serving

Calories 255 kcal

% Daily Value*

Serving 1serving
Calories 255kcal 13%
Carbohydrates 28g 9%
Protein 4g 8%
Fat 15g 23%
Saturated Fat 7g 35%
Polyunsaturated Fat 2g 12%
Monounsaturated Fat 5g 25%
Trans Fat 0.2g 10%
Cholesterol 28mg 9%
Sodium 151mg 6%
Potassium 135mg 3%
Fiber 1g 4%
Sugar 20g 40%
Vitamin A 201IU 4%
Vitamin C 0.02mg 0%
Calcium 29mg 3%
Iron 1mg 6%

* Percent Daily Values are based on a 2,000 calorie diet.

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45 reviews
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