One of my Aunt Deb’s favorite recipes, these Special K Bars (also called scotcheroos in parts of the Midwest) are made simply with corn syrup, cereal, peanut butter, and a chocolate-butterscotch topping. The bars are crisp, buttery, and chocolatey — and cleanup is easy.
They take about 15 minutes to assemble and are usually eaten even faster. The cereal stays crunchy while the chocolate-butterscotch topping is soft and silky. I like a light sprinkle of flaky sea salt on top to balance the sweetness. These come together as quickly as my ritzy fudge bars, which use a quick fudge base topped with caramel and Ritz crackers.
My Aunt Deb was a home economics teacher and a beloved baker before she passed away from breast cancer. Sharing one of her recipes here feels like a small way to honor her memory during Breast Cancer Awareness Month. There’s also a short video that shows how to make these Special K bars.
“This is the most delicious no bake dessert I’ve ever made! Every time I make it people want the recipe. I have been making it on repeat!” -Kim
Ingredients for Aunt Deb’s Special K Bars
These nostalgic bars use a handful of pantry staples. If you don’t keep butterscotch chips on hand, they’re worth picking up for the classic flavor.
- Granulated sugar. Melts into the syrup and helps the bars hold together.
- Light corn syrup. Helps coat the cereal and bind the mixture.
- Creamy peanut butter. Adds richness and a touch of saltiness to balance the sweetness.
- Vanilla extract. A small amount brightens the flavor.
- Special K cereal or corn flakes. Special K gives the traditional texture; corn flakes yield a slightly crunchier bar.
- Chocolate chips. Any chocolate you prefer; chopped chocolate works well too.
- Butterscotch chips. Combine with chocolate for a caramel-like topping.
- Flaky sea salt (optional). A finishing pinch enhances the overall flavor.
Quick Tips for Prepping Special K Bars
These bars are fastest to make using a microwave. Stir the sugar and corn syrup together, then heat until simmering—about 90 seconds to 2 minutes depending on your microwave. Stir in the peanut butter and vanilla until smooth.
Once the mixture is homogeneous, fold in the cereal. It can take a few minutes of stirring to ensure everything is evenly coated. Use 4 to 5 cups of cereal depending on how sweet or dense you want the bars; 4 cups gives a slightly sweeter, denser result while 5 cups lightens them up.
Press the combined mixture into a greased or parchment-lined 8″ (20 cm) square pan. Use a spatula or a piece of parchment to press the top flat so the chocolate topping spreads smoothly.
Quick Tips for Frosting Special K Bars
To make the topping, melt chocolate and butterscotch chips together in a small microwave-safe bowl. Heat for 1 minute, stir, and heat an additional 30 seconds if needed. Stir until smooth, then spread over the cooled cereal layer. Finish with a light sprinkle of flaky sea salt if you like.
Chill the pan in the fridge for 30–60 minutes to speed setting, or let the bars set at room temperature for a few hours. Once firm, lift the bars from the pan, slice with a sharp knife, and serve.
Other Recipes You May Enjoy
If you like quick no-bake bars, try ritzy fudge bars — a fudgy base topped with Ritz crackers and salted caramel. For a heartier snack, no-bake protein granola bars use oats and protein powder to make a filling, chocolatey treat.
Dish Cleanup: Not Too Bad
I rate cleanup on a scale from 1 (few dishes) to 5 (everything). These Special K bars are a solid 2: one large mixing bowl for the cereal base, one small bowl for melting chips, plus a few measuring tools, a knife, and a cutting board. If you rinse and reuse measuring cups while preparing, you’ll end up with very few dishes to wash.
Aunt Deb’s Special K Bars Recipe
Thanks for stopping by! If you make my aunt Deb’s Special K bars and enjoy them, please leave a review to let others know how they turned out.
Aunt Deb’s Special K Bars
Ingredients
For the Special K Bars
- ½ cup granulated sugar
- ½ cup light corn syrup
- ¾ cup creamy peanut butter
- ½ teaspoon vanilla
- 4-5 cups Special K cereal or corn flakes
For the Chocolate Butterscotch Topping
- 1 cup chocolate chips
- ½ cup butterscotch chips
- Flaky sea salt (optional)
Instructions
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Grease or line an 8″ (20 cm) square pan with parchment paper.
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In a large microwave-safe bowl, combine the sugar and corn syrup. Microwave 1½–2 minutes until simmering, then stir.
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Stir in the peanut butter and vanilla until smooth.
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Add 4–5 cups cereal (4 cups for a denser, sweeter bar; 5 cups for a lighter bar). Stir until evenly coated, then press firmly into the prepared pan. Use parchment to press the top flat if desired.
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In a small microwave-safe bowl, microwave chocolate and butterscotch chips for 1 minute. Stir and microwave an additional 30 seconds if needed. Stir until smooth and spread over the bars. Sprinkle with flaky sea salt if desired.
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Let set at room temperature for 1–2 hours, or chill in the fridge for 30–60 minutes. Once set, cut into 16–32 pieces and serve.
Video
Notes
Recommended Supplies
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Spatula or spoonula
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8″ square pan
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Microwave-safe bowls
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Offset spatula (optional)
Nutrition
I’d love to see how your batch turns out. Share a photo on Instagram and tag @floralapronblog or use the hashtag #floralapronbakes.