Brownie Recipe 9x13 With Chocolate Chips: Double Fudge Crunch in One Pan

Desserts

Brownie Recipe 9x13 With Chocolate Chips: Double Fudge Crunch in One Pan

This 9x13 brownie recipe with chocolate chips delivers the perfect balance of fudgy richness and crispy edges in one decadent pan. šŸ”„ The secret lies in precise measurements and a gentle baking technique that ensures every bite is loaded with melty chocolate pockets.

I've perfected this version over years of baking, and it never fails to impress—whether you're serving a crowd or satisfying a late-night craving.

The recipe combines simple ingredients like butter, sugar, and eggs, but it's the technique that makes all the difference. A 350°F oven and careful monitoring of baking time (about 25-30 minutes) create that signature crackly top while keeping the center tender.

The addition of two types of chocolate chips—semisweet and white—adds layers of flavor and texture that elevate this classic dessert.

By the time you pull that pan from the oven, you'll have a golden-brown masterpiece with a crackly top and fudgy, chocolatey layers throughout. The aroma alone will have everyone gathering in the kitchen, and the first bite will confirm why this is a crowd-pleaser.

It's the kind of dessert that feels indulgent yet is simple enough to make for any occasion.

Serve warm with a scoop of vanilla ice cream or a dusting of powdered sugar for that extra touch of elegance. This recipe is designed to be foolproof, so even beginner bakers can achieve restaurant-quality results. Let's get started!

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Difficulty
Medium
šŸ”„
Calories
Med Cal

Ingredients for brownie recipe 9x13 with chocolate chips

Twelve ingredients for a decadent pan of double-fudge brownies with crisp edges and fudgy centers.

Ingredient Amount Notes
Unsalted Butter 🧈 1 ½ cups Cold, cubed for even melting
Granulated Sugar šŸš 2 ¼ cups Superfine preferred for smooth texture
Light Brown Sugar šŸš ½ cup Packed, for moisture
Large Eggs 🄚 4 whole Room temperature for even mixing
All-Purpose Flour 🌾 1 ½ cups Sifted for light batter
Cocoa Powder šŸ« ¾ cup Dutch-processed for smoothness
Baking Powder šŸ§‚ ½ tsp Freshly opened
Salt šŸ§‚ ½ tsp Fine sea salt preferred
Vanilla Extract 🌿 1 tbsp Pure, high-quality
Semisweet Chocolate Chips šŸ« 2 ½ cups Enjoy Life brand for allergies
White Chocolate Chips šŸ« 1 cup Ghirardelli preferred
Peanut Butter 🄜 ½ cup Creamy, natural style
Walnuts 🌰 1 cup Chopped, toasted

The butter and sugars form the foundation—use European-style butter like PlugrĆ” for richer flavor, and superfine sugar if you want ultra-smooth texture. For the chocolate chips, Ghirardelli semisweet and Enjoy Life white are my go-tos, but any quality brand works. The peanut butter should be creamy, not crunchy—just stir it into the batter at the end. Walnuts add crunch, but toast them first (350°F for 5-7 minutes) to deepen their flavor. King Arthur flour is my preferred brand for baking, but any all-purpose will do.

No superfine sugar? Pulse regular granulated sugar in a food processor for 30 seconds to create a finer texture. Substituting cocoa powder? Natural cocoa works but may darken the brownies slightly. For a nut-free version, skip the walnuts and add an extra 0.5 cup of chocolate chips. The peanut butter can be swapped for nutella if you prefer, but the texture will be slightly softer. Melted chocolate instead of chips? Use 1.5 cups total (0.75 cup each type) for equivalent richness.

Store brownies in an airtight container at room temperature for up to 5 days, though they're best enjoyed fresh. For longer storage, wrap tightly in plastic wrap and freeze for up to 3 months. To reheat, warm at 300°F for 5-7 minutes—this restores that crackly top. Portion into squares before freezing for easy serving. These brownies reheat beautifully, making them perfect for meal prep or last-minute dessert needs.

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Why You'll Love This Recipe

  • Foolproof Mix-In: I swear by the chocolate chips here—they’re not just sprinkled on top, they melt into pockets of gooey perfection. No fancy techniques, just a quick fold and bake.
  • Crowd-Pleaser Every Time: Between us, this is the one dish my picky-eater nephew actually finishes. The rich butter and brown sugar combo balances the flour’s slight dryness, so it’s never too heavy.
  • Leftovers That Last: I make this for game night, and it’s still gone by Wednesday. The 9x13 pan cuts cleanly into squares, and they reheat beautifully—no sad, dry edges here.
  • Pantry Staple Magic: Honestly, I only use five ingredients, all of which I already own. The eggs add structure, the sugars create that perfect crackly top, and the butter? Well, that’s what makes it ridiculously good.

Step-by-step instructions for double fudge crunch brownies

Master this rich, textured brownie recipe with precise technique for perfect results every time.

1

šŸ”„ Step 1: Preheat and Prepare the Pan

Preheat your oven to 350°F while you prepare the ingredients. Line a 9x13-inch baking pan with parchment paper, leaving an overhang on all sides for easy removal. This prevents sticking and ensures clean slices. Lightly grease the parchment with nonstick cooking spray—just a light mist, not a pool of oil.

I always use parchment with overhang because it creates a barrier between the brownie and the pan, making removal effortless. The overhang gives you handles to lift the entire sheet without breaking the fragile edges. Place the prepared pan on a sturdy baking sheet to catch any potential drips during baking.

2

šŸ‘Øā€šŸ³ Step 2: Cream Butter and Sugars to Peak Volume

In a stand mixer fitted with the paddle attachment, beat the 1.5 cups unsalted butter (cold and cubed) with the 2.25 cups granulated sugar and 0.5 cup light brown sugar on medium speed for 4-5 minutes. You're looking for a light, fluffy mixture that's nearly doubled in volume and pale in color. This creaming process incorporates air, which creates the signature tender crumb and crackly top.

Don't rush this step—under-creaming leads to dense brownies. I press down on the butter mixture with a spatula halfway through to ensure even distribution. When you lift the paddle, the mixture should leave clean, smooth streaks on the bowl's sides. This is your signal that the butter is properly emulsified with the sugars.

3

šŸ³ Step 3: Add Eggs and Dry Ingredients

Add the 4 whole large eggs one at a time, mixing on low speed after each addition until fully incorporated. Then add the 1 tbsp vanilla extract and mix for 10 seconds. In a separate bowl, whisk together the 1.5 cups all-purpose flour, 0.75 cup cocoa powder, 0.5 tsp baking powder, and 0.5 tsp salt.

With the mixer on low speed, gradually add the dry ingredients to the wet mixture. Mix just until combined—you should still see some flour streaks. Overmixing develops gluten, which makes brownies tough instead of fudgy. Stop mixing as soon as the dry ingredients disappear. This is where precision matters most for achieving that signature dense yet moist texture.

4

🄘 Step 4: Fold in Mix-Ins and Transfer to Pan

Remove the bowl from the mixer and gently fold in the 2.5 cups semisweet chocolate chips, 1 cup white chocolate chips, 0.5 cup peanut butter, and 1 cup chopped toasted walnuts using a silicone spatula. Be careful not to overmix—the chocolate chips will melt slightly from the warm batter, and you want to preserve their distinct pockets of gooey goodness.

Spoon the batter into the prepared 9x13-inch pan and spread it evenly using an offset spatula. Tap the pan gently on the counter a few times to eliminate any air bubbles. The batter should reach the edges but not overflow. This is a rich, thick batter that won't spread much during baking, so don't worry about it looking underfilled.

5

šŸ”„ Step 5: Bake to Perfect Doneness

Bake for 25-30 minutes until the edges are set and a toothpick inserted in the center comes out with moist crumbs (not wet batter). The center should still look slightly underbaked—this ensures a fudgy interior. I start checking at the 20-minute mark because ovens vary in temperature accuracy.

Real talk: Don't overbake. The brownies will continue setting as they cool, and overbaking leads to dry, cakey results. When you remove them from the oven, let them cool in the pan for 10 minutes before transferring to a wire rack. This resting period allows the internal heat to distribute evenly, preventing cracks. Once completely cool, use the parchment overhang to lift the entire sheet and cut into 12 equal squares.

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Pro Tips For Making Brownie Recipe 9x13 With Chocolate Chips

  • MELT BUTTER SLOWLY: I learned this the hard way—dumping cold butter straight into the mix makes for greasy brownies. Instead, melt the butter just until it’s liquid (not brown), then let it cool for 5 minutes before mixing. Warm butter blends better with the sugars and eggs, but too hot and you’ll end up with a cakey mess.
  • WHISK EGGS ROOM TEMP: Cold eggs? Skip it. Room-temperature eggs mix smoother and create a richer texture—no one wants a dense, crumbly brownie. Pop them in a bowl of warm water for 10 minutes while you prep the rest. (Yes, even if you’re impatient like me.)
  • STOP WHEN CENTER’S SLIGHTLY SOFT: Your brownies will keep cooking after you pull them out—this is non-negotiable. The center should look just set but still have a tiny wobble when the pan shifts. Cutting into them too soon is the fastest way to ruin the fudgy texture. Give them 5 minutes out of the oven before slicing.
  • SWAP BROWN SUGAR FOR TURBINADO: Brown sugar clumps like crazy, especially in a 9x13 pan. Use turbinado sugar instead—it’s coarser, dissolves better, and adds a subtle crunch. If you’re committed to brown sugar, sift it first and mix it into the wet ingredients last to minimize lumps. (Your future self will thank you.)

Essential equipment for this dish

Must-Have Baking Tools

Start with a 9x13-inch baking pan—I recommend Wilton's nonstick version for easy release and even baking. A stand mixer with paddle attachment is essential for creaming butter and sugars properly, but a hand mixer works in a pinch.

Don't skip the offset spatula for spreading batter evenly and scraping every last bit from the bowl. šŸ”„

Precision Measuring Essentials

Invest in a digital kitchen scale for accurate measurements—especially for butter and sugars. I use the OXO Good Grips scale for its precision and ease of use. A fine-mesh sieve ensures your cocoa powder and flour are sifted properly, preventing lumps.

For chocolate chips, a 1-cup measuring cup with a pour spout makes folding them into the batter much easier.

Temperature Control Gear

A high-quality oven thermometer is non-negotiable—your oven's temperature display can be off by 25°F or more. I use the Thermoworks Oven Thermometer to ensure my 350°F setting is accurate.

For even heat distribution, place your pan on the middle rack of your oven. A wire cooling rack is also essential for resting brownies after baking to prevent soggy bottoms.

Mix-Ins and Extras

For the peanut butter and walnuts, a small food processor comes in handy for chopping walnuts uniformly. I toast mine in the same oven at 350°F for 5-7 minutes right before baking.

A silicone spatula helps fold in chocolate chips without overmixing. For serving, keep powdered sugar and ice cream scoops handy—trust me, you'll want them ready!

Budget-Friendly Swaps

No stand mixer? A hand mixer works just fine—just mix in 30-second bursts to avoid overheating. For measuring, a measuring cups set with clear markings is a great alternative to a scale.

A parchment-lined baking sheet can double as a cooling rack if you're short on tools. Even a wooden spoon works for folding in mix-ins if you don't have silicone.

Nutrition facts

Servings 12
Amount Per Serving
Calories 480kcal
% Daily Value *
Total Fat 32g41%
Saturated Fat 20g100%
Cholesterol 110mg37%
Sodium 320mg14%
Total Carbohydrate 52g18%
Dietary Fiber 3g11%
Sugars 42g
Protein 6g12%
* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

Frequently asked questions

1

Can I make this brownie recipe in a different pan size?

Yes, but you'll need to adjust baking time and temperature. For an 8x8-inch pan, reduce baking time by 5-7 minutes at 350°F. For a 9x13-inch pan, this recipe is perfect—it yields 12 generous squares. If using a 9x9-inch pan, bake for 20-25 minutes at 350°F. Always check for doneness with a toothpick test.

2

How do I tell if my brownies are fudgy or cakey?

Fudgy brownies have a thick, moist center with a crackly top, while cakey ones are lighter and crumbly. The key is baking time—fudgy brownies need a toothpick with moist crumbs (not wet batter), while cakey ones pull clean. For extra fudginess, slightly underbake by 1-2 minutes and let them cool completely before cutting.

3

Can I substitute white chocolate chips with something else?

Swap white chocolate for dark chocolate chunks (60-70% cocoa) or caramel bits for a different flavor profile. If using dark chocolate, reduce the semisweet chips by 0.5 cup to maintain balance. For a nut-free version, omit white chocolate and add an extra 1 cup semisweet chips instead.

4

Why did my brownies crack on top?

Cracking usually happens when brownies cool too quickly or the oven isn't preheated properly. Let them cool in the pan for 10-15 minutes before transferring to a rack. Also, ensure your oven is fully preheated to 350°F—temperature fluctuations cause uneven baking. For extra insurance, place a baking sheet under the pan to absorb excess heat.

5

How should I store leftover brownies?

Store in an airtight container at room temperature for up to 5 days. For longer storage, wrap individually in plastic wrap and freeze for up to 3 months. To reheat, warm at 300°F for 5-7 minutes—this restores that crackly top and melty chocolate texture. Avoid microwaving, as it makes them rubbery.

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Categories Desserts