Tessa’s Recipe Rundown
TASTE: Full of rich chocolate goodness with nutty bursts throughout, thanks to the toffee.
TEXTURE: Chewy, gooey, fudgy brownies with delightfully crunchy bits from the toffee pieces and chocolate chips.
EASE: So easy! You don’t even need a mixer for this recipe.
PROS: A quick, delicious brownie recipe.
CONS: None.
WOULD I MAKE THIS AGAIN? I’ve already made these brownies SO many times!
This post may contain affiliate links. Read our disclosure policy.
Though I’ve published more than 50 (!!!) brownie recipes in the past 15 years, I still find inspiration to develop new flavors.

Little did I know just how popular this new recipe would be!
I originally published this Toffee Brownies recipe in 2013, but it needed a overhaul. So, I went to the kitchen! After a few tweaks, I sent a batch to Joe’s workplace, only to receive an empty pan with unanimous feedback demanding another round of “taste testing.”

Free Baking Science Mini-Course!
From cookies that spread to undercooked brownies, this FREE 5-day Baking Science course helps you conquer common baking challenges and make bakery-worthy treats every time.
I’m not exaggerating – I’ve made these brownies over 10 times since creating the recipe because people keep asking me to make them.

And I don’t mind one bit. These brownies are everything I want in a dessert!
They’re quick and easy to make. They’re chocolate-forward (a definite win in my book). They’re rich and chewy with crunchy toffee throughout – aka texture heaven.
Give these brownies a try the next time you need a chocolate fix (so, right now, right? 😉). You won’t be disappointed!


Sprinkle of Science
How to Make Toffee Brownies
The Chocolate Chips
Semi-sweet is my favorite, but feel free to fold in any variety of chocolate chips you prefer. Whatever you do, don’t skip the chocolate chips! They help to develop that shiny crust on top of brownies. Learn more about the shiny crust on brownies here.
The Toffee
You can use store-bought or homemade! For extra gourmet brownies, use my Homemade Toffee Bits recipe. You can also use Heath brand English toffee bits (as pictured below), available in supermarkets by the chocolate chips in the baking aisle.

Butter + Oil
- With any cocoa powder-based brownie recipe, we need quite a bit of fat to prevent the cocoa powder from drying the brownies out and making them crumbly.
- These brownies use a combination of melted butter and oil for the best balance of taste and texture.
- I typically use vegetable oil, but any flavorless oil should work – just make sure your oil is fresh to avoid a rancid flavor.
- Check out my side-by-side baking experiments comparing Butter vs. Oil in Baking here.
Why is There Cornstarch in Brownies?
I have found that adding 1 tablespoon of cornstarch makes brownies thick and chewy, like box mix brownies, and improves the shiny crust on top – so don’t skip this ingredient. Learn more about that shiny crust on the top of brownies here.
The Sugar
We’re using a combination of granulated sugar and light brown sugar in this Toffee Brownie recipe. This creates a flavorful brownie with plenty of moisture, without adding too much moisture. It also complements the caramelized toasty flavors of the toffee perfectly.
Can I Reduce the Sugar in These Brownies?
- Don’t reduce the amount of sugar in Toffee Brownies unless you want dry and crumbly brownies.
- Reducing the sugar will also result in a dull (not shiny) crust.
- The sweetness will mellow as the brownies cool and set.
- If you’re worried these brownies will be too sweet for your preference, simply use dark or bittersweet chocolate chips to help balance the sweetness without ruining the texture of the brownies.
- Learn more about sugar’s role in baking brownies here (spoiler alert: sugar does so much more than just sweetening!)

What’s The Best Pan for Baking Brownies?
I highly recommend using a light-colored metal 8×8-inch baking pan like this one, lined with foil or parchment paper. Do not use glass, silicone, or ceramic pans for baking brownies. Learn why in my Glass vs. Metal Baking Pans article here.
Can I Double This Toffee Brownie Recipe?
Yes – simply double all ingredients and bake in a light-colored metal 9×13 metal pan, adding a few minutes to the bake time.
How to Cut Toffee Brownies for Clean Slices
For perfect slices, allow brownies to cool fully (chilled is even better!). Use a sharp knife and run it under hot water, carefully wiping it off in between each cut.

How to Store Toffee Brownies?
Toffee Brownies taste best the day they are baked but can be stored in an airtight container for up to 3 days at room temperature or up to 5 days in the fridge. When chilled, they become even more fudgy!
Can You Freeze Toffee Brownies?
Yes! Brownies freeze beautifully. Freeze the whole slab or individual slices by wrapping in plastic wrap and storing inside a freezer bag or an airtight container for up to three months. Thaw overnight in the fridge or for a couple of hours at room temperature before serving.

More Recipes You’ll Love:
- Best Ever Chewy Brownies
- Peanut Butter Stuffed Brownies
- Malted Brown Butter Brownies
- Browned Butter Toffee Chocolate Chip Cookies
- Peanut Butter Toffee Chocolate Chunk Bars

Toffee Brownies
Email This Recipe
Enter your email, and we’ll send it to your inbox.
Ingredients
- 5 tablespoons (71 grams) unsalted butter
- 3/4 cup (150 grams) granulated sugar
- 1/2 cup (100 grams) light brown sugar
- 2 large eggs plus 1 egg yolk, cold
- 1 teaspoon vanilla extract
- 1/3 cup (74 grams) vegetable oil
- 3/4 cup (75 grams) Dutch-process cocoa powder1
- 1/2 cup (63 grams) all-purpose flour
- 1 tablespoon cornstarch
- 1/4 teaspoon fine sea salt
- 3/4 cup (128 grams) semisweet chocolate chips2, divided
- 1 cup (170 grams)
toffee bits3, divided
Instructions
- Preheat the oven to 325°F. Line an 8 by 8-inch metal pan with parchment paper, leaving an overhang.
- In a large microwave-safe bowl, add the butter. Microwave for about 1 minute, or until the butter is melted. Whisk in the sugars then let cool to just warm. Whisk in the eggs, egg yolk, and vanilla. Whisk vigorously for 30 seconds. Whisk in the oil and cocoa powder.
- Using a rubber spatula, stir in the flour, cornstarch, and salt until combined. Stir in the chocolate chips and toffee bits, reserving a handful of each.
- Spread the brownie batter evenly into the prepared pan. Sprinkle with extra toffee bits and chocolate chips. Place in the oven and bake for 30 minutes, or until the brownies are set and a cake tester inserted into the center has moist crumbs attached. If you prefer a less fudgy brownie, bake an additional 5-7 minutes, or until cake tester inserted into the center has only melted chocolate attached. Let cool completely before cutting and serving.
- Brownies can be stored in an airtight container at room temperature for up to 3 days at room temperature or up to 5 days in the fridge.4
Recipe Notes

The Ultimate Cookie Handbook
Learn the sweet SCIENCE of cookie baking in a fun, visual way to customize your own recipes frustration-free. Plus, my best 50+ homemade cookies!
This recipe was originally published in 2013 and updated in 2024 with a new and improved recipe, photos, and more baking tips. Photography by Joanie Simon.
I made these brownies for a going away party for someone my husband works with. I doubled the recipe in a 9×13 pan and it definitely took a little longer to bake but worth the wait! These were a huge hit with everyone! Thick and fudgy the way you want a brownie to be and not overly sweet. Easily one of the best brownies I’ve ever made and even better when I took a few home and topped them with ice cream! Will be making these again to share with our neighbors at a get together this weekend!
A beautiful, rich brownie! Husband is a huge brownie fan and he’s given these the tick of approval.
I’ve never been successful at brownies, until I made these! They didn’t last long!
Easy to make, fabulous to eat!
Are you leaving the clips on the pan when you bake the brownies?
Hi Beth! Yes, you can leave the clips on while baking, so your parchment paper doesn’t fall into your batter – just be sure to use metal binder clips, so they don’t melt in the oven! Happy baking! 🙂
I ended up removing them after pouring the batter in the pan. I was afraid the black plastic part would melt in the oven. I made the toffee successfully this time! Brownies are delish!
I was surprised at how good these turned out, I was skeptical because my go to is always Tessa’s chewy brownie recipe. My family devoured these! Would definitely make again.
Love this. So easy and fudge. A new fav.
This was delicious! Everyone loved it! I doubled it for a 9×13, and made the homemade toffee. I love that it’s easy and easy clean-up too.
Great recipe! I will be making these for a family reunion over Memorial weekend. They are so fudgy. My favorite brownie attribute. Taking this batch to my sister’s tomorrow. Oh, my husband and I will eat a few tonight. Lol!
A little gooey for me which means my taste tester will absolutely love it! I didn’t have store-bought toffee and was too lazy to go out and get some so I made my own from Tessa’s recipe. Incredibly simple!
This is delicious! Everyone loved it! I love that it’s easy and easy clean-up too!
Dang, these are good! They are very rich, so you don’t need a big piece, but they are jam packed with flavor. My home made toffee bits didn’t turn out right this time, but I didn’t want to remake them so I used them anyway – I couldn’t even tell, they were still delicious!