These blondies are the kind of bake that gets requested again and again. They’re dense, chewy, and impossibly buttery, with ribbons of salted caramel and pockets of butterscotch in every bite. No fussy techniques, just reliable steps and a pan of bars that feel elevated without being complicated.
I test recipes until they behave consistently, and this one does. The balance is simple: a sturdy brown-sugar-forward base, melty butterscotch chips for that toffee note, and a sweet-salty caramel layer that cuts through the richness. They travel well and hold their texture at room temperature for a few days.
If you want an accessible crowd-pleaser you can make for a potluck or just a solid weeknight dessert, these are it. Read through the equipment and storage tips so your bake comes out the way it should the first time.
What Goes In
Ingredients
- 2 1/8 cups all-purpose flour — provides structure; measure by spooning flour into the cup and leveling for accuracy.
- 1/2 teaspoon baking soda — a touch of lift; it keeps the texture tender rather than cakey.
- 1/2 teaspoon salt — balances sweetness; don’t skip.
- 12 tablespoons unsalted butter, melted and cooled to room temperature — the backbone of flavor and chew; cooling prevents cooking the eggs when mixed.
- 1 cup packed brown sugar — gives moisture and that caramel-y depth; use light or dark based on how toffee-forward you want the bars.
- 1/2 cup granulated sugar — helps with browning and adds lift; balances the brown sugar.
- 1 large egg — provides structure and moisture.
- 1 egg yolk — adds richness and chewiness without making the bars cake-like.
- 2 teaspoons vanilla extract — rounds and amplifies flavors; pure vanilla is worth it here.
- 1 cup butterscotch chips — the signature pockets of flavor; they soften to tiny molten jewels when warm.
- 1/2 cup salted caramel sauce — the layer that takes these from good to unforgettable; drizzle evenly.
- Sea salt for sprinkling over bars — finish with flaky salt to highlight the caramel and heighten contrast.
From Start to Finish: Salted Caramel Butterscotch Blondies
- Preheat oven to 325°F. Spray a 9×13-inch baking pan with nonstick cooking spray and set aside.
- In a medium bowl, whisk together 2 1/8 cups all-purpose flour, 1/2 teaspoon baking soda, and 1/2 teaspoon salt. Set dry mixture aside.
- In the bowl of a stand mixer (or a large bowl with a hand mixer), combine 12 tablespoons melted unsalted butter (cooled to room temperature), 1 cup packed brown sugar, and 1/2 cup granulated sugar. Mix on medium speed until the sugars are fully moistened and combined.
- Add 1 large egg, 1 egg yolk, and 2 teaspoons vanilla extract to the butter-sugar mixture. Mix until smooth and uniform.
- With the mixer on low speed, gradually add the dry flour mixture and mix just until combined; do not overmix.
- Fold in 1 cup butterscotch chips with a spatula until evenly distributed.
- Press about half of the dough evenly into the prepared pan, using an offset spatula or oiled hands to smooth the surface.
- Drizzle 1/2 cup salted caramel sauce evenly over the pressed dough.
- Drop the remaining dough by spoonfuls over the caramel, then gently spread and press it to cover the caramel as evenly as possible. It’s okay if some caramel peeks through.
- Sprinkle the top lightly with sea salt to taste.
- Bake for 30–35 minutes, or until the top is light golden brown and the edges begin to pull away from the pan.
- Remove from the oven and transfer the pan to a wire rack. Cool the blondies in the pan to room temperature before cutting into squares.
Why It’s My Go-To
These blondies hit the sweet spot between everyday and special-occasion. The base is straightforward and forgiving; the salted caramel layer looks dramatic but is only a drizzle away from brilliance. I reach for this recipe when I want something that feels elevated without requiring babysitting.
The texture is predictable: tender center with slightly crisp edges. The butterscotch chips offer molten pockets rather than hard chunks, which creates a better mouthfeel than some chocolate-heavy recipes. And the final sprinkle of sea salt makes every bite sing.
Dairy-Free/Gluten-Free Swaps
If you need to adapt, you can make sensible swaps without changing the method.
- Butter — swap with a neutral-tasting dairy-free stick margarine that measures like butter. Melt and cool as directed.
- Butterscotch chips — there are dairy-free toffee-style chips on the market; taste one first and make sure it melts to your liking. If not, reduce the chips slightly so texture stays balanced.
- Flour — for gluten-free, use a 1:1 gluten-free baking flour blend that contains xanthan gum. The texture will be slightly different but still dense and chewy.
- Salted caramel sauce — look for a dairy-free caramel or make a simple coconut-based caramel if needed. Keep the amount the same.
Note: time in the oven may vary slightly with swaps; watch the edges for doneness rather than relying strictly on minutes.
Before You Start: Equipment
- 9×13-inch baking pan — a standard half-sheet pan works; an off-size pan will change thickness and baking time.
- Stand mixer or hand mixer — for creaming the butter and sugars smoothly.
- Medium bowl — for whisking dry ingredients.
- Offset spatula or oiled hands — for pressing the dough cleanly into the pan.
- Wire rack — for cooling to room temperature before slicing.
- Measuring cups and spoons — accurate dry and wet measuring will affect texture. Use proper tools.
Slip-Ups to Skip
These are the common mistakes I see and how to avoid them.
Don’t overmix
Once the flour goes in, mix only until combined. Overmixing develops gluten and turns these into cakier bars.
Cool the butter
If the melted butter is too hot when you add the eggs, it can start to cook them, causing grainy texture. Let it come down to room temperature.
Don’t skimp on the caramel
The half-cup of caramel is an intentional layer. If you pour less, the blondies lose a key contrast in the center.
Watch your oven
All ovens vary. Start checking at 30 minutes; you want a light golden top and edges pulling away. Underbaked centers will be gummy; overbake and you lose chew.
Seasonal Flavor Boosts
Small additions can make these feel seasonal without changing the base.
- Fall: Stir 1/2 to 1 teaspoon ground cinnamon into the dry mix for a warm backdrop to the caramel.
- Winter holidays: Add 1/4 teaspoon ground nutmeg and 1/4 teaspoon ginger for a cozy spice profile.
- Summer: Fold in 1/2 cup chopped toasted pecans for crunch and a toasty contrast to the caramel.
- Spring: Mix a tablespoon of orange zest into the batter for a bright citrus lift that pairs surprisingly well with butterscotch.
Notes on Ingredients
There are a few ingredient details that make a difference in the final bake.
Flour
All-purpose flour is the right choice here for structure. Measure by spooning into cups and leveling; packing flour will lead to dense bars.
Sugars
Brown sugar gives moisture and that molasses hint. If you prefer a sweeter, lighter flavor, increase the granulated sugar slightly, but stick to the recipe for reliable texture.
Butterscotch chips
These melt into soft, caramel-like pockets. If you substitute chocolate, the blondies will take on a different character—still good, but no longer butterscotch-forward.
Salted caramel
Use a good-quality store-bought sauce or homemade if you have it. The sauce should be spoonable, not pour-thin; very thick sauces are harder to spread, and very thin ones will sink completely into the dough.
Storage Pro Tips
How you store these affects texture and flavor.
- Room temperature: Keep airtight for up to 3 days. They stay chewy and are easiest to slice at room temperature.
- Refrigeration: If your kitchen is warm or you used a very soft caramel, refrigerate in an airtight container for up to 7 days. Let come to room temperature before serving so the caramel loosens.
- Freezing: Individually wrap squares in plastic and freeze for up to 3 months. Thaw at room temperature. The texture holds up well when frozen.
- Reheating: A quick 10–12 second zap in the microwave warms the caramel and makes the center indulgent again; don’t overdo it or they’ll become greasy.
Quick Q&A
Common questions answered quickly.
Can I make these ahead?
Yes. Bake and store airtight for up to 3 days at room temperature or freeze for longer. They slice best at room temperature.
How do I get clean slices?
Use a sharp knife wiped clean between cuts, or chill the pan slightly before slicing to firm the caramel layer.
Can I double the recipe?
Yes, but bake in two pans rather than a single larger one so thickness and baking time remain consistent.
What if my top cracks?
A few small cracks are fine and normal. Major cracking usually indicates overbaking; pull them from the oven a touch earlier next time.
See You at the Table
These Salted Caramel Butterscotch Blondies are reliable, gorgeous, and forgiving. They’re the sort of dessert you can make on a weeknight and still pass off as something special when company arrives. Follow the steps, mind the small tips, and you’ll get consistent results.
If you bake a batch, take a picture and note any small tweaks you made—oven quirks and personal taste will guide future versions. Enjoy the sticky, buttery, sweet-and-salty moments in every square.
Salted Caramel Butterscotch Blondies
Ingredients
Ingredients
- 2 1/8 cupsall-purpose flour
- 1/2 teaspoonbaking soda
- 1/2 teaspoonsalt
- 12 tablespoonsunsalted buttermelted and cooled to room temperature
- 1 cuppacked brown sugar
- 1/2 cupgranulated sugar
- 1 large egg
- 1 egg yolk
- 2 teaspoonsvanilla extract
- 1 cupbutterscotch chips
- 1/2 cupsalted caramel sauce
- Sea saltfor sprinkling over bars
Instructions
Instructions
- Preheat oven to 325°F. Spray a 9x13-inch baking pan with nonstick cooking spray and set aside.
- In a medium bowl, whisk together 2 1/8 cups all-purpose flour, 1/2 teaspoon baking soda, and 1/2 teaspoon salt. Set dry mixture aside.
- In the bowl of a stand mixer (or a large bowl with a hand mixer), combine 12 tablespoons melted unsalted butter (cooled to room temperature), 1 cup packed brown sugar, and 1/2 cup granulated sugar. Mix on medium speed until the sugars are fully moistened and combined.
- Add 1 large egg, 1 egg yolk, and 2 teaspoons vanilla extract to the butter-sugar mixture. Mix until smooth and uniform.
- With the mixer on low speed, gradually add the dry flour mixture and mix just until combined; do not overmix.
- Fold in 1 cup butterscotch chips with a spatula until evenly distributed.
- Press about half of the dough evenly into the prepared pan, using an offset spatula or oiled hands to smooth the surface.
- Drizzle 1/2 cup salted caramel sauce evenly over the pressed dough.
- Drop the remaining dough by spoonfuls over the caramel, then gently spread and press it to cover the caramel as evenly as possible. It’s okay if some caramel peeks through.
- Sprinkle the top lightly with sea salt to taste.
- Bake for 30–35 minutes, or until the top is light golden brown and the edges begin to pull away from the pan.
- Remove from the oven and transfer the pan to a wire rack. Cool the blondies in the pan to room temperature before cutting into squares.
Equipment
- 9x13-inch baking pan
- nonstick cooking spray
- Stand mixer or hand mixer
- Offset spatula
- Wire Rack
