We have been making this monster cookie bar recipe for years since we got it from our friends. It is easy and fast, and is a hit in any event!

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Recipe Summary

prep:
10 mins
cook:
13 mins
additional:
2 hrs
total:
2 hrs 23 mins
Servings:
20
Yield:
20 bars
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Ingredients

20
Original recipe yields 20 servings
The ingredient list now reflects the servings specified
Bars:
Topping:

Directions

Instructions Checklist
  • Preheat the oven to 400 degrees F (200 degrees C). Butter a 9x13-inch baking pan.

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  • Combine brown sugar, butter, corn syrup, 1/4 cup peanut butter, and vanilla extract in a bowl. Add oats gradually. Press bar mixture into the prepared pan.

  • Bake in the preheated oven until golden brown, 12 to 14 minutes. Let cool for 4 minutes.

  • Melt chocolate chips, butterscotch chips, and 1/3 cup peanut butter in a microwave-safe bowl in 15-second intervals, stirring after each melting until blended, 1 to 3 minutes. Spread over warm bars. Let cool before cutting, 2 to 3 hours.

Nutrition Facts

280 calories; protein 4.7g; carbohydrates 34.6g; fat 14.6g; cholesterol 16.3mg; sodium 89.3mg. Full Nutrition
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Reviews (2)

Read More Reviews

Most helpful positive review

Rating: 5 stars
02/22/2020
Tried these yummy cookies and my kids and I loved them. They had the perfect amount of sweetness and crunchiness. Definitely a hit in my house. Read More
2 Ratings
  • 5 star values: 2
  • 4 star values: 0
  • 3 star values: 0
  • 2 star values: 0
  • 1 star values: 0
Rating: 5 stars
02/22/2020
Followed as written. The chocolate never really hardens, but it makes it finger licking good. Super good and addicting. This makes a big batch, so it's great for a big crowd or as breakfast! Read More
Rating: 5 stars
02/22/2020
Tried these yummy cookies and my kids and I loved them. They had the perfect amount of sweetness and crunchiness. Definitely a hit in my house. Read More
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