Peanut Butter Crunch Recipe

This irresistible no-bake Peanut Butter Crunch recipe is a family-friendly twist on Rice Krispie treats, using the delightful combination of peanut butter and Frosted Flakes cereal! Easy to make in just 15 minutes, this crunchy and sweet treat is perfect for snack time, parties, or a quick dessert. Get ready for a peanut butter explosion of flavor!

Prep Time 5 mins
Cook Time 15 mins
Calories 376.7 kcal
Protein 12g
Rating Be the first
Peanut Butter Crunch 51

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Forktionary editorial kitchen team

The Forktionary Kitchen Team

Adapted from Food.com, then tested & standardized by Forktionary.

Ingredients for Peanut Butter Crunch

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How to Make Peanut Butter Crunch

  1. In a medium saucepan, combine 1 cup granulated sugar, 1/2 cup light corn syrup, 1/4 cup butter, and 1/2 cup creamy peanut butter.
  2. Cook over medium heat, stirring constantly, until the mixture comes to a rolling boil. Continue to boil for 1 minute, stirring constantly to prevent scorching.
  3. Remove from heat and immediately stir in 1 teaspoon vanilla extract.
  4. Add 6 cups Frosted Flakes cereal to the peanut butter mixture and stir gently until the cereal is evenly coated.
  5. Lightly grease a 9x13 inch baking pan or line it with parchment paper.
  6. Press the cereal mixture into the prepared pan. Let it cool completely before cutting into squares.

Nutrition Information (Approximate per serving)

Sodium

10 g

Sugar

141g

Fat

12g

Carbs

21g

Frequently Asked Questions

How long does it take to make Peanut Butter Crunch?

Peanut Butter Crunch takes about 20 minutes from start to finish — roughly 5 minutes to prepare and 15 minutes to cook.

How many calories are in Peanut Butter Crunch?

Peanut Butter Crunch has approximately 376.7 calories per serving, with about 12 g protein, 21 g carbohydrates and 19 g fat.

What ingredients do I need for Peanut Butter Crunch?

The key ingredients for Peanut Butter Crunch are Light Corn Syrup, Granulated Sugar, Frosted Flakes, Smooth Peanut Butter, Margarine. See the full list with measurements above.

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