I love a pan of blondies because they give you all the comfort of a cookie with half the fuss. These Chocolate Chip Blondies are chewy, buttery, and studded with pockets of semi-sweet chocolate. They’re the kind of thing you can pull together in twenty minutes and still look like you planned ahead.

There’s no complicated technique here: a melted butter base, brown sugar for chew, a little leavening for lift, and plenty of chocolate. I’ll walk you through what each ingredient is doing, how to avoid the usual pitfalls, and a few easy swaps if you need them. Practical tips only—no fluff.

Ready to bake? Read the Ingredient Notes and the Ingredients list, follow the Cooking Guide exactly, then use the storage and troubleshooting sections to make these blondies again and again. They travel well, disappear fast, and freeze beautifully.

Ingredient Notes

A quick word about the core players before we bake. Brown sugar is the backbone here: it keeps the bars moist and gives that toffee-like flavor blondies are known for. Melted unsalted butter integrates easily with the sugar and helps produce a dense, tender crumb. The single egg is enough to bind without making the bars cakey; the small amount of baking powder and baking soda gives a modest lift so the edges puff while the center stays fudgy.

Semi-sweet chocolate chips are the classic mix-in. They soften during baking without completely melting away, which leaves you with pockets of chocolate in every bite. Salt is small but essential—don’t skip it; it balances the sweetness and brightens the flavors.

If you measure flour by scooping straight from the bag, you’ll likely end up with dry blondies. Fluff the flour, spoon it into your measuring cup, and level it off. That small step keeps the texture just right.

Ingredients

½ cup unsalted butter, melted — provides fat for tenderness, flavor, and chew; use melted so it mixes smoothly.
1 cup packed light brown sugar — adds moisture and caramel notes that define blondies.
1 teaspoon pure vanilla extract — lifts and rounds the flavors.
1 large egg — binds ingredients and contributes structure without making bars cakey.
1 cup all-purpose flour — the structural element; measure carefully to avoid dryness.
½ teaspoon baking powder — gentle leavening that gives edges a slight puff.
⅛ teaspoon baking soda — works with the brown sugar for a balanced rise and texture.
½ teaspoon salt — balances sweetness and enhances flavor.
1 cup semi-sweet chocolate chips — the mix-in; semi-sweet provides contrast without overpowering the blondie base.

Chocolate Chip Blondies Cooking Guide

Preheat the oven to 350°F. Line an 8″ square baking pan with parchment paper or aluminum foil and set aside.
In a large mixing bowl, combine ½ cup unsalted butter, melted, and 1 cup packed light brown sugar; stir until smooth.
Add 1 teaspoon pure vanilla extract and 1 large egg to the butter-sugar mixture and stir until the egg is fully incorporated.
In a separate bowl, whisk together 1 cup all-purpose flour, ½ teaspoon baking powder, ⅛ teaspoon baking soda, and ½ teaspoon salt.
Add the dry ingredients to the wet ingredients and stir until a thick, sticky batter forms; avoid overmixing.
Fold in 1 cup semi-sweet chocolate chips until evenly distributed.
Spread the batter evenly in the prepared pan, smoothing the top with a spatula.
Bake for 20 to 25 minutes. The edges should be puffed and the top should appear set; when you gently shake the pan the center should still jiggle slightly (about 22 minutes is a common target).
Remove from the oven and let the bars cool completely in the pan.
Lift the cooled blondies from the pan using the parchment or foil, cut into squares, and serve.

Reasons to Love Chocolate Chip Blondies

First, they’re fast. From melted butter to oven, this recipe moves quickly. That makes blondies a weeknight-friendly dessert or a last-minute party solution. They also store and freeze well, so you can bake once and enjoy later.

Texture is another selling point: a tender, chewy center with slightly crisp edges is exactly what you want in a blondie. The brown sugar gives them depth—there’s a caramel-like note that elevates these above a simple cookie bar.

Finally, they’re flexible. The base is forgiving, so you can add nuts, swap chocolate types, or sprinkle flaky salt on top. They’re a crowd-pleaser for kids and adults alike, and they pair beautifully with coffee, milk, or a scoop of ice cream.

Substitutions by Category

Fats

Butter: If you only have salted butter, use it but reduce added salt to taste. Olive oil or neutral oil will change the flavor and texture slightly—expect a softer edge.

Sugars

Light brown sugar: You can use dark brown sugar for a deeper molasses flavor, or granulated sugar if that’s all you have; the texture will be a touch less moist with granulated sugar.

Flour & Leavening

All-purpose flour: For a slightly cakier bar, use a bit more flour; for gluten-free, swap to a 1:1 gluten-free flour blend, but know the texture will change.
Baking powder/soda: Keep both if possible. If you only have baking powder, increase slightly but expect a different lift.

Egg & Bindings

Egg: For an egg-free version, use a commercial egg replacer or a flax egg (1 tbsp ground flaxseed + 2½ tbsp water, chilled) though the bars will be less tender and more cake-like.

Add-ins

Semi-sweet chocolate chips: Swap for dark or milk chocolate chips, but adjust to taste. Chopped chocolate works too and will give larger pockets of melted chocolate.

Setup & Equipment

8″ square baking pan — lined with parchment or foil for easy removal.
Mixing bowls — at least one large bowl and one small bowl for dry ingredients.
Measuring cups and spoons — accurate dry and liquid measures keep texture consistent.
Spatula — for folding batter and smoothing the top of the pan.
Whisk or fork — to combine dry ingredients and to blend the egg into the batter.
Oven thermometer (optional) — ovens vary; an oven thermometer helps you hit 350°F reliably.

Problems & Prevention

Dry blondies: usually from too much flour or overbaking. Prevent this by measuring flour correctly (spoon and level) and removing the pan when the center still jiggles slightly.

Gummy center: underbaking or too much fat. If the center is raw after the recommended time, give it a few more minutes—but check every two minutes to avoid overbaking.

Edges too hard: oven too hot or pan too close to the heat source. Rotate the pan halfway through baking if your oven has hot spots and use the middle rack.

Sticking to the pan: always line the pan with parchment or foil and leave an overhang; it makes removing and cutting the blondies simple and clean.

Warm & Cool Weather Spins

Warm weather: Serve slightly chilled for a firmer bite. Blondies make excellent ice cream sandwiches—use two warm-chilled squares with a scoop of your favorite ice cream in between.

Cool weather: Warm a square briefly in the microwave (7–10 seconds) and top with a scoop of vanilla ice cream or a drizzle of caramel for extra coziness. A dusting of espresso powder in the batter adds a cozy depth that pairs well with hot drinks.

Outdoor gatherings: Cut the bars into smaller squares for easy passing, and keep extras covered to prevent them from drying out in sun or wind. If it’s hot, store them in a shallow cooler.

Pro Perspective

Measure flour by weight when you can. One cup all-purpose flour is roughly 125 grams; weighing removes guesswork and gives consistent results across bakes. Use fresh leaveners—baking powder and soda lose potency over time.

Don’t overmix once you add the flour. Stir until just combined; overworking develops gluten and gives a tougher texture. For cleaner edges and easier slicing, let the blondies cool completely before cutting—warm bars tend to crumble.

Consider finishing: a sprinkle of flaky sea salt or a gentle press of extra chocolate chips into the top immediately after they come out of the oven adds a bakery-style finish.

Save for Later: Storage Tips

At room temperature: Store blondies in an airtight container for up to 3 days. Place a sheet of parchment between layers if stacking so they don’t stick together.

Refrigerator: For longer storage, refrigerate up to one week. Bring to room temperature before serving or warm briefly to restore the soft, gooey texture.

Freezing: Wrap individual squares tightly in plastic wrap and store in a freezer-safe bag for up to 3 months. Thaw at room temperature or warm gently in the microwave for a quick treat.

Chocolate Chip Blondies Q&A

Q: Can I make these in a different size pan? A: Yes. A larger pan will produce thinner bars and bake faster; a smaller pan will yield thicker bars and take a few minutes longer. Adjust time and watch the center jiggle.

Q: Can I add nuts or other mix-ins? A: Absolutely—chopped pecans, walnuts, or white chocolate chunks work well. Fold them in with the chocolate chips. Keep total mix-ins to roughly 1 to 1½ cups so the batter still spreads evenly.

Q: How do I get fudgy rather than cakey blondies? A: Keep the flour measure accurate, don’t overmix, and pull them from the oven when the center still has a slight jiggle. A short bake time favors fudgy results.

Q: Can I make these ahead? A: Yes. Bake, cool, and store at room temperature for a couple of days, refrigerate up to a week, or freeze for longer. Thaw before serving.

Q: Can I make them gluten-free or vegan? A: Use a trusted 1:1 gluten-free flour blend for gluten-free. For vegan, you’ll need to replace the egg and butter with vegan alternatives (commercial egg replacer, flax egg, and a vegan butter or oil). Expect a change in texture.

Bring It Home

These Chocolate Chip Blondies are straightforward, forgiving, and exactly the kind of recipe you’ll bake again and again. Follow the Cooking Guide, mind the simple tips here, and you’ll have a reliable treat that travels well and pleases a crowd. If you try a variation—extra chips, a sprinkle of flaky salt, or a nutty twist—let me know how it turned out. Happy baking!

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Chocolate Chip Blondies Recipe

There’s something incredibly comforting about a warm batch of chocolate…

Prep Time10

Cook Time22

Total Time32

Course: Dessert

Servings: 4 servings

Ingredients

1/2 cupunsalted buttermelted
1 cuppacked light brown sugar
1 teaspoonpure vanilla extract
1 large egg
1 cupall-purpose flour
1/2 teaspoonbaking powder
1/8 teaspoonbaking soda
1/2 teaspoonsalt
1 cupsemi-sweet chocolate chips

Instructions

Preheat the oven to 350°F. Line an 8" square baking pan with parchment paper or aluminum foil and set aside.
In a large mixing bowl, combine ½ cup unsalted butter, melted, and 1 cup packed light brown sugar; stir until smooth.
Add 1 teaspoon pure vanilla extract and 1 large egg to the butter-sugar mixture and stir until the egg is fully incorporated.
In a separate bowl, whisk together 1 cup all-purpose flour, ½ teaspoon baking powder, ⅛ teaspoon baking soda, and ½ teaspoon salt.
Add the dry ingredients to the wet ingredients and stir until a thick, sticky batter forms; avoid overmixing.
Fold in 1 cup semi-sweet chocolate chips until evenly distributed.
Spread the batter evenly in the prepared pan, smoothing the top with a spatula.
Bake for 20 to 25 minutes. The edges should be puffed and the top should appear set; when you gently shake the pan the center should still jiggle slightly (about 22 minutes is a common target).
Remove from the oven and let the bars cool completely in the pan.
Lift the cooled blondies from the pan using the parchment or foil, cut into squares, and serve.

Equipment

Oven
8-inch Square Baking Pan
Parchment paper or aluminum foil
Large Mixing Bowl
Mixing Bowl
Whisk
Spatula

Notes

You can use any add-ons in this recipe: shredded coconut, butterscotch chips, lemon zest, white chocolate chips, pretzels, chocolate candy, sprinkles or funfetti OR swirl in caramel sauce or fudge sauce.
Serve blondies while still slightly warm with a scoop of ice cream for a la mode treat.
You can bake these blondies in an 8" pie pan and serve as a cookie pie.
Please note, that the nutrition value can vary depending on what product you use. The information below is an estimate. Always use calorie counter you are familiar with.