Introduction
Cornflake Toffee Cookie is a delightful treat that fuses the crunchiness of Frosted Flakes with the rich flavor of homemade toffee. Every bite is a perfect blend of sweet and crunchy, making it an irresistible choice for cookie lovers. This recipe is not just about making cookies; it’s about creating memorable moments with friends and family. Whether it’s a cozy night in or a festive gathering, these cookies will surely bring smiles to everyone’s faces.
Why You’ll Love This Cornflake Toffee Cookie
There are countless reasons to adore this Cornflake Toffee Cookie. First, it combines the nostalgic crunch of Frosted Flakes with the buttery richness of toffee, creating a unique flavor profile that is simply irresistible. Second, they are incredibly easy to make, perfect for bakers of all skill levels. Third, these cookies can be enjoyed warm right out of the oven or stored for later, providing versatility for any occasion. Fourth, they make outstanding gifts, adding a personal touch to any celebration. Fifth, the chewy texture paired with crunchy bits of toffee makes them a delightful treat for any sweet tooth. Lastly, this recipe yields a generous batch, ensuring you have plenty to share. With Toffee Crunch Cookie Delight and Sweet Cornflake Toffee Treat variations, there’s something for everyone!
Ingredients for Cornflake Toffee Cookie
Gather these items:
- 40 grams water
- 115 grams unsalted butter
- 100 grams granulated sugar
- 1/4 teaspoon Diamond Crystal Kosher Salt
- 280 grams unsalted butter
- 1 tablespoon Non-Fat Milk Powder
- 55 grams water
- 200 grams granulated sugar
- 215 grams dark brown sugar
- 100 grams eggs (approx 2 large eggs)
- 1 tablespoon Vanilla Extract
- 400 grams All-Purpose Flour
- 2 teaspoons Diamond Crystal Kosher Salt
- 1/2 teaspoon Baking Powder
- 3/4 teaspoon Baking Soda
- 100 grams Toffee
- 125 grams Frosted Flakes
How to Make Cornflake Toffee Cookie Step-by-Step
- Step 1: Line a sheet pan with parchment paper.
- Step 2: In a heavy-bottomed saucepan, combine 40 grams water, 115 grams unsalted butter, 100 grams granulated sugar, and 1/4 teaspoon diamond crystal kosher salt. Heat over medium heat, stirring until the butter melts.
- Step 3: Once melted, let the mixture cook until it reaches 240°F. Use a candy thermometer for accuracy!
- Step 4: If sugar crystals form on the sides of the pan, wipe them down with a damp pastry brush.
- Step 5: Continue stirring constantly with a wooden spoon until the mixture reaches 305°F and turns a beautiful amber brown color.
- Step 6: Carefully pour the hot toffee onto the prepared parchment-lined sheet pan, then let it set completely.
- Step 7: If you have any leftover toffee, store it in an air-tight container.
- Step 8: In a light-colored saucepan over medium heat, melt 280 grams unsalted butter until golden brown.
- Step 9: Add 1 tablespoon + 1 teaspoon milk powder to the melted butter, whisking until fully combined.
- Step 10: Continue to cook and whisk until the milk solids turn a deep umber color. Transfer to a heat-proof bowl to cool.
- Step 11: In a medium bowl, whisk together 400 grams all-purpose flour, 2 teaspoons diamond crystal kosher salt, 1/2 teaspoon baking powder, and 3/4 teaspoon baking soda.
- Step 12: Finely chop 100 grams of toffee and mix it with 125 grams of Frosted Flakes in a separate bowl.
- Step 13: Once the browned butter has cooled, add in 55 grams of water, 200 grams granulated sugar, 215 grams dark brown sugar, and 1 tablespoon vanilla extract. Whisk until fully combined.
- Step 14: Add 2 large eggs to the sugar mixture and whisk on medium speed until homogenous and lightly aerated.
- Step 15: Gently fold in the dry ingredients until only a few dry pockets remain. Then add the toffee and Frosted Flakes until evenly distributed.
- Step 16: Let the dough rest for 10 minutes.
- Step 17: Using a 2 oz cookie scoop, portion out the dough into 75-gram balls. Roll each ball in additional Frosted Flakes.
- Step 18: Place the dough balls on a parchment-lined tray and refrigerate for at least 1 hour or preferably overnight.
- Step 19: Preheat the oven to 350°F.
- Step 20: Arrange the cookies on a tray, leaving room for spreading during baking.
- Step 21: Bake for 13 minutes, then rotate the pan and bake for an additional 4-5 minutes.
- Step 22: Allow the cookies to cool on the pan for a few minutes before transferring them to a wire rack.

Pro Tips for the Best Cornflake Toffee Cookie
Keep these in mind:
- Use a candy thermometer for the perfect toffee consistency.
- Chill the dough to prevent spreading while baking.
- Experiment with different types of chocolate or nuts to customize your cookies.
- These cookies are best enjoyed fresh, but they can be stored for up to a week.
Best Ways to Serve Cornflake Toffee Cookie
These cookies can be served warm with a scoop of vanilla ice cream for a decadent dessert. Alternatively, pair them with a cup of coffee or tea for a delightful afternoon snack. Consider packaging them as gifts for friends and family; they are sure to impress!
How to Store and Reheat Cornflake Toffee Cookie
To store, keep the cookies in an air-tight container at room temperature for up to a week. For longer storage, you can freeze the cookies for up to three months. To reheat, simply pop them in the microwave for a few seconds or warm them in the oven.
Frequently Asked Questions About Cornflake Toffee Cookie
What’s the secret to perfect Cornflake Toffee Cookie?
The secret lies in ensuring the toffee is cooked to the right temperature, resulting in a crispy texture that contrasts beautifully with the chewy cookie base. This balance is key to achieving a perfect Cornflake Toffee Cookie.
Can I make Cornflake Toffee Cookie ahead of time?
Yes, you can prepare the dough and refrigerate it overnight. This not only saves time but also enhances the flavors, making your Cornflake Toffee Cookie even more delicious.
How do I avoid common mistakes with Cornflake Toffee Cookie?
To avoid common mistakes, ensure to follow the cooking times for the toffee closely and chill the dough before baking to prevent spreading. This will maintain the cookie’s shape and texture.

Variations of Cornflake Toffee Cookie You Can Try
For a fun twist, consider adding chocolate chips or dried fruits to the dough. You can also create No-Bake Cornflake Toffee Cookies by combining the ingredients without baking them. Experiment with different toppings like sprinkles or crushed nuts to elevate your Cornflake Toffee Cookie experience.
For more delicious recipes, check out Gingerbread Cheesecake Cookies or Best Zucchini Bread Recipe. If you’re interested in baking tips, visit Southern Baked Macaroni and Cheese for a delightful twist on comfort food.
Print
Irresistible Cornflake Toffee Cookie Recipe You’ll Love
- Total Time: 110 minutes
- Yield: 24 cookies 1x
- Diet: Vegetarian
Description
This Cornflake Toffee Cookie Recipe combines crunchy Frosted Flakes with homemade toffee for a delightful treat.
Ingredients
- 40 grams water
- 115 grams unsalted butter
- 100 grams granulated sugar
- 1/4 teaspoon Diamond Crystal Kosher Salt
- 280 grams unsalted butter
- 1 tablespoon Non-Fat Milk Powder
- 55 grams water
- 200 grams granulated sugar
- 215 grams dark brown sugar
- 100 grams eggs (approx 2 large eggs)
- 1 tablespoon Vanilla Extract
- 400 grams All-Purpose Flour
- 2 teaspoons Diamond Crystal Kosher Salt
- 1/2 teaspoon Baking Powder
- 3/4 teaspoon Baking Soda
- 100 grams Toffee
- 125 grams Frosted Flakes
Instructions
- Line a sheet pan with parchment paper.
- In a heavy-bottomed saucepan, combine 40 grams water, 115 grams unsalted butter, 100 grams granulated sugar, and 1/4 teaspoon diamond crystal kosher salt. Heat over medium heat, stirring until the butter melts.
- Once melted, let the mixture cook until it reaches 240°F. Use a candy thermometer for accuracy.
- If sugar crystals form on the sides of the pan, wipe them down with a damp pastry brush.
- Continue stirring constantly with a wooden spoon until the mixture reaches 305°F and turns a beautiful amber brown color.
- Carefully pour the hot toffee onto the prepared parchment-lined sheet pan, then let it set completely.
- If you have any leftover toffee, store it in an air-tight container.
- In a light-colored saucepan over medium heat, melt 280 grams unsalted butter until golden brown.
- Add 1 tablespoon + 1 teaspoon milk powder to the melted butter, whisking until fully combined.
- Continue to cook and whisk until the milk solids turn a deep umber color. Transfer to a heat-proof bowl to cool.
- In a medium bowl, whisk together 400 grams all-purpose flour, 2 teaspoons diamond crystal kosher salt, 1/2 teaspoon baking powder, and 3/4 teaspoon baking soda.
- Finely chop 100 grams of toffee and mix it with 125 grams of Frosted Flakes in a separate bowl.
- Once the browned butter has cooled, add in 55 grams of water, 200 grams granulated sugar, 215 grams dark brown sugar, and 1 tablespoon vanilla extract. Whisk until fully combined.
- Add 2 large eggs to the sugar mixture and whisk on medium speed until homogenous.
- Gently fold in the dry ingredients until only a few dry pockets remain. Then add the toffee and Frosted Flakes until evenly distributed.
- Let the dough rest for 10 minutes.
- Using a 2 oz cookie scoop, portion out the dough into 75-gram balls. Roll each ball in additional Frosted Flakes.
- Place the dough balls on a parchment-lined tray and refrigerate for at least 1 hour or preferably overnight.
- Preheat the oven to 350°F.
- Arrange the cookies on a tray, leaving room for spreading during baking.
- Bake for 13 minutes, then rotate the pan and bake for an additional 4-5 minutes.
- Allow the cookies to cool on the pan for a few minutes before transferring them to a wire rack.
Notes
- Prep Time: 60 minutes
- Cook Time: 50 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 cookie
- Calories: 200 kcal
- Sugar: 15 g
- Sodium: 150 mg
- Fat: 9 g
- Saturated Fat: 5 g
- Unsaturated Fat: 3 g
- Trans Fat: 0 g
- Carbohydrates: 30 g
- Fiber: 1 g
- Protein: 2 g
- Cholesterol: 30 mg
