Quick Peanut Butter Squares

Prep: 10 min Cook: 10 min Serves: 12 Cuisine: American

Sweet, crunchy peanut butter squares with a caramel-like flavor, perfect for quick snacks or treats that appeal to both kids and adults alike.

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Ingredients

  • 1 cup brown sugar
  • 1 cup corn syrup
  • 1 cup smooth peanut butter
  • 8 to 10 ounces corn flakes

Instructions

  1. Bring the brown sugar and corn syrup to a boil over low heat.
  2. Remove from heat and mix in the peanut butter and corn flakes.
  3. Stir until the cereal is well coated.
  4. Spread the mixture evenly in a lightly greased 9 x 13-inch pan.
  5. Allow to cool and set, then cut into squares.

Tips & Substitutions

For a crunchier texture, consider adding a handful of chopped nuts or using crisp rice cereal instead of corn flakes. You can also substitute honey or maple syrup for corn syrup if desired. When boiling the sugar and syrup, keep an eye on the mixture to prevent burning, as it can caramelize quickly. If you want a richer flavor, try using chunky peanut butter for added texture.

Serving Suggestions

These Quick Peanut Butter Squares make a delightful snack or dessert. They pair beautifully with a glass of milk or a scoop of vanilla ice cream for a special treat. Consider serving them alongside fresh fruit or a simple salad for a balanced offering. They also make a great addition to a dessert platter at parties or gatherings.

Storage & Reheating

Store leftover squares in an airtight container at room temperature for up to one week. For longer storage, you can refrigerate them, which will help them maintain their shape and texture. If you prefer them warm, simply microwave individual squares for about 10-15 seconds before serving.

Nutrition & Diet Analysis (per serving)

Each serving of Quick Peanut Butter Squares contains roughly 492 calories, with 9g protein, 101g carbohydrates, and 7g fat. It is an excellent source of iron (75% of the Daily Value), vitamin A (73% of the Daily Value), and vitamin C (48% of the Daily Value), and a good source of protein and dietary fiber. Note that it is relatively high in sodium, at 495mg per serving (22% of the Daily Value).

492 kcal 25% DV
Protein Fat Carbs

Macronutrients

Protein 9.1g 18% DV
Total Fat 7.4g 10% DV
Carbs 100.6g 37% DV
Fiber 2.8g 10% DV
Sugar 41.6g 83% DV

Electrolytes

Sodium 494.7mg 22% DV
Potassium 231.7mg 5% DV

Vitamins & Minerals

Vitamin A 654mcg 73% DV
Vitamin C 43.3mg 48% DV
Vitamin D 4.7mcg 24% DV
Calcium 24.9mg 2% DV
Iron 13.5mg 75% DV
Diet fit Low-fat
Contains Milk Peanut

Estimated from ingredients & per-serving nutrition — verify against package labels for allergies or strict diets.

* % Daily Values based on a 2,000 calorie diet (FDA 2020).

Frequently Asked Questions

Can I make these squares ahead of time?

Absolutely! These squares are perfect for making ahead. You can prepare them up to a week in advance and store them in an airtight container. This makes them great for busy days or for a sweet treat to grab on the go.

What can I use instead of corn flakes?

If you don't have corn flakes, you can substitute with crispy rice cereal or even granola for a different texture. Just ensure that whatever you choose is light and crunchy to maintain the integrity of the bars.

How do I know when the mixture is ready to spread?

The mixture should be well combined and slightly thickened when you remove it from the heat. It should easily coat the corn flakes without being too runny. If it’s too hot, let it cool for a few minutes to avoid melting the cereal.

Nutrition is estimated from USDA FoodData Central ingredient data and may vary with brand, portion and preparation — see our methodology. This information is for general educational purposes only and is not medical or dietary advice (disclaimer).

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