Peanut Butter Cornflake Cookies

Featured in Crowd-Pleasing Recipes for All Ages.

Whip up these quick no-bake peanut butter cornflake goodies. Perfect for snacking or parties!
Ranah
Updated on Sat, 24 May 2025 18:58:19 GMT
Close-up of crispy peanut butter cornflake cookies. Pin it
Close-up of crispy peanut butter cornflake cookies. | tastycoock.com

The magic of these no-bake Peanut Butter Cornflake Cookies takes me right back to my childhood days. Picture crunchy cornflakes wrapped in a sweet, rich peanut butter mixture that hardens into bite-sized, munchable clusters. What's great? They come together in just minutes using stuff you've probably got sitting in your kitchen already.

I found this treasure buried in my grandma's old recipe collection, and now it's what I make whenever I want a quick snack that always gets people grinning.

Complete Ingredients Breakdown

  • Crispy, fresh cornflakes: matter a lot
  • Smooth peanut butter: gives the best consistency
  • Corn syrup: makes everything shiny
  • Real vanilla extract: boosts the taste
  • Regular sugar: does the job perfectly

Step-by-Step Making Guide

Step 1: Getting Ready
  • Set up your baking sheet first
  • Get all ingredients measured out
  • Make sure everything's within reach
Step 2: Making the Mixture
  • Warm ingredients slowly
  • Keep mixing for a smooth blend
  • Look for small bubbles forming
Step 3: The Important Combining
  • Drizzle over cornflakes bit by bit
  • Stir carefully to keep flakes whole
  • Make sure everything gets coated
Step 4: Forming Your Cookies
  • Move fast before it starts hardening
  • Try to make them all similar sizes
  • Don't crowd them on the sheet
Step 5: Cooling Down
  • Let them sit without touching
  • Check they're getting firm enough
  • Try not to eat them too early!
Plate of fresh peanut butter cornflake cookies showing their crispy texture and golden color. Pin it
Plate of fresh peanut butter cornflake cookies showing their crispy texture and golden color. | tastycoock.com

The Sweet Science Explained

Knowing what happens inside these cookies helps you nail the texture every time. The corn syrup gives that shiny look and stops the sugar from getting grainy - that's why they stay perfectly crisp-chewy instead of crunchy. When you heat everything up, sugar molecules join with peanut butter oils to create that perfect coating for each cornflake. You want to hit between 235-240°F (no thermometer needed though). At this point, the mix will stick to your spoon and make a soft thread when dripped - that's when you know it's just right.

Detailed view of peanut butter cornflake cookies with their golden texture. Pin it
Detailed view of peanut butter cornflake cookies with their golden texture. | tastycoock.com

Delightful Serving Ideas

  • A glass of cold milk is a must-have companion
  • Try them with warm coffee to bring out the nutty taste
  • Sandwich some vanilla ice cream between two cookies
  • Add some sliced bananas for something different

Fixing Common Problems

If your cookies turn out too brittle, you probably overheated the mixture. If they won't set up properly, you didn't heat it enough. The right moment is just when you see tiny bubbles starting to form around your pan's edge.

Keeping Them Fresh

Store these treats in a sealed container and they'll stay crunchy for about 5 days - assuming they last that long! Put wax paper between layers so they don't stick together.

Final Thoughts

These Peanut Butter Cornflake Cookies aren't just snacks - they're little bites of childhood that help create new family moments. Whether you're making them with little helpers or grabbing them for a midnight snack, they're simple yet totally satisfying. Just remember, gentle heat and quick hands are your secret weapons. Once you get the hang of it, you'll have a go-to treat that brings joy every single time.

Frequently Asked Questions

→ How long will they stay fresh?
Keep them in a sealed container at room temperature, and they’re good for about 5 days.
→ Can crunchy peanut butter work?
Definitely! It adds extra crunch and texture if that's what you want.
→ Are the cookies safe for gluten-free diets?
Yep, unless the peanut butter you use has hidden gluten ingredients.
→ What should I use if I’m out of corn syrup?
Swap it with honey or maple syrup to keep the sweetness similar.
→ Is freezing these treats okay?
Sure thing! Just keep them sealed in the freezer for up to 3 months.

Cornflake Cookie Delight

Crunchy, sweet, and loaded with peanut goodness.

Prep Time
10 Minutes
Cook Time
30 Minutes
Total Time
40 Minutes

Category: Family Favorites

Difficulty: Easy

Cuisine: American

Yield: 24 Servings (24 clusters)

Dietary: Vegetarian, Gluten-Free, Dairy-Free

Ingredients

→ Cereal Base

01 6 cups of cornflake cereal

→ Sticky Mixture

02 1 cup of creamy peanut butter
03 1 cup light syrup
04 1 cup of white sugar

→ Extra Flavor

05 1 teaspoon of vanilla essence

Instructions

Step 01

Cover a baking tray with wax paper or parchment.

Step 02

In a pot, melt together peanut butter, syrup, and sugar over medium heat until everything blends and it starts to bubble.

Step 03

Mix in the vanilla extract.

Step 04

Gently toss the cornflakes with the warm mixture until the flakes are fully covered.

Step 05

Scoop small portions of the prepared mix onto the lined baking tray.

Step 06

Let them sit at room temp for 30 minutes until firm and ready to eat.

Notes

  1. Great for when you need a fast snack or sweet treat.
  2. Everyone from kids to grown-ups will enjoy this throwback favorite!
  3. Keep them in a tight container and they’ll last up to 5 days.

Tools You'll Need

  • Big bowl for mixing
  • Cooking pot
  • Spatula or wooden spoon
  • Tray for baking
  • Parchment or wax paper

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Has peanuts (from the peanut butter).

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 110
  • Total Fat: 4 g
  • Total Carbohydrate: 15 g
  • Protein: 3 g