Homemade Cook's Illustrated Chewy Brownies photo

If you’ve ever craved a brownie that strikes the perfect balance between fudgy and cakey, look no further than Cook’s Illustrated Chewy Brownies. These rich, decadent treats are everything you want in a chocolate dessert. Made with a combination of unsweetened cocoa powder and chopped unsweetened chocolate, they deliver a deep chocolate flavor that is simply irresistible. The addition of chocolate chunks guarantees a gooey, melty experience in every bite. Whether for a celebration, a cozy night in, or just because, these brownies will quickly become a staple in your baking repertoire.

Why This Recipe Belongs in Your Rotation

Classic Cook's Illustrated Chewy Brownies image

What makes Cook’s Illustrated Chewy Brownies stand out? It’s all about the texture and flavor. The use of both cocoa powder and unsweetened chocolate creates a depth that is hard to replicate. The method of melting chocolate with boiling water ensures that every ingredient blends harmoniously, resulting in a chewy, rich brownie that isn’t overly sweet. Plus, the recipe is straightforward, making it perfect for both novice bakers and seasoned pros. Once you experience the perfect chew and rich flavor, you’ll understand why this recipe is a must-try!

Shopping List

Delicious Cook's Illustrated Chewy Brownies recipe photo

  • Unsweetened Cocoa Powder – 1 cup, for a deep chocolate flavor.
  • Boiling Water – 2 tablespoons, to enhance the cocoa.
  • Unsweetened Chocolate – 2 oz, chopped for richness.
  • Unsalted Butter – ½ cup (1 stick), melted for that buttery goodness.
  • Vegetable Oil – 2 tablespoons to keep them moist.
  • Large Eggs – 2, to provide structure.
  • Large Egg Yolks – 2, for added richness.
  • Vanilla Extract – 2 teaspoons, for warmth and flavor.
  • Granulated Sugar – 2 cups, to sweeten the mix.
  • All-Purpose Flour – 1 cup, for the base of the brownies.
  • Salt – ½ teaspoon, to balance the sweetness.
  • Semi-Sweet Chocolate Chunks – 4 oz, for those delightful melted pockets of chocolate.

Toolbox for This Recipe

Easy Cook's Illustrated Chewy Brownies shot

  • Mixing Bowls – For combining ingredients.
  • Whisk – To ensure everything is well combined.
  • Rubber Spatula – For folding in the chocolate chunks.
  • Baking Pan – An 8×8 inch pan works perfectly.
  • Parchment Paper – To line the pan for easy removal.
  • Measuring Cups and Spoons – For accurate ingredient measurements.

Cook’s Illustrated Chewy Brownies: Step-by-Step Guide

Step 1: Preheat the Oven

Preheat your oven to 350°F (175°C). This ensures that your brownies will bake evenly.

Step 2: Prepare the Baking Pan

Line an 8×8 inch baking pan with parchment paper, leaving some overhang to make it easier to lift the brownies out later. This will help you achieve clean slices.

Step 3: Melt the Chocolate

In a heatproof bowl, combine the chopped unsweetened chocolate and boiling water. Stir until the chocolate is completely melted and smooth. Set aside to cool slightly.

Step 4: Mix the Wet Ingredients

In a large mixing bowl, combine the melted unsalted butter and vegetable oil. Whisk in the large eggs, egg yolks, and vanilla extract until the mixture is well blended.

Step 5: Combine with Chocolate

Pour the melted chocolate mixture into the wet ingredients and whisk until combined. The chocolate should be slightly cooled but still pourable.

Step 6: Mix the Dry Ingredients

In another bowl, whisk together the unsweetened cocoa powder, flour, salt, and granulated sugar until there are no lumps.

Step 7: Combine Dry and Wet Ingredients

Gradually add the dry ingredients to the wet mixture, stirring gently until just combined. Be careful not to overmix; a few flour streaks are okay.

Step 8: Fold in the Chocolate Chunks

Using a rubber spatula, fold in the semi-sweet chocolate chunks, ensuring they are evenly distributed throughout the batter.

Step 9: Bake

Pour the brownie batter into the prepared baking pan, spreading it evenly. Bake in the preheated oven for about 25-30 minutes or until a toothpick inserted into the center comes out with a few moist crumbs.

Step 10: Cool and Serve

Remove the brownies from the oven and let them cool in the pan for about 10 minutes. Using the parchment overhang, lift the brownies out of the pan and transfer them to a wire rack to cool completely before slicing into squares.

Seasonal Spins

  • Mint Brownies – Add a few drops of peppermint extract for a refreshing twist.
  • Nutty Brownies – Fold in chopped walnuts or pecans for added crunch.
  • Spiced Brownies – Incorporate a teaspoon of cinnamon or espresso powder for a deeper flavor.
  • Fruit-Infused Brownies – Top with fresh raspberries or cherries before serving for a fruity contrast.

Slip-Ups to Skip

Even the best bakers can run into trouble! Here are some common pitfalls to avoid:

  • Overmixing the Batter – This can lead to tough brownies, so mix until just combined.
  • Not Measuring Ingredients Accurately – Baking is a science; ensure you use the right measurements.
  • Skipping the Parchment Paper – This can make removing the brownies a challenging task.
  • Overbaking – Keep an eye on the baking time to maintain that chewy texture.

Leftovers & Meal Prep

If you’re lucky enough to have leftovers, these brownies store beautifully. Place them in an airtight container at room temperature for up to 3 days. For longer storage, you can freeze them! Just wrap individual squares tightly in plastic wrap and then place them in a freezer-safe bag. They’ll keep well for up to 3 months. To enjoy, simply thaw at room temperature and indulge in that freshly baked taste.

Reader Q&A

Can I use milk chocolate instead of semi-sweet chocolate chunks?

While you can use milk chocolate, it will make the brownies sweeter. If you prefer a more balanced flavor, stick with semi-sweet chocolate.

What if I don’t have unsweetened chocolate on hand?

You can substitute an additional 3 tablespoons of cocoa powder mixed with 1 tablespoon of vegetable oil for each ounce of unsweetened chocolate needed.

Can I double the recipe for a larger batch?

Yes! You can easily double the ingredients and bake in a 9×13 inch pan. Just keep an eye on the baking time as it may take a bit longer.

How can I tell when the brownies are done?

The brownies are done when a toothpick inserted into the center comes out with a few moist crumbs. They will continue to cook slightly as they cool.

Ready to Cook?

There you have it! An easy, delightful recipe for Cook’s Illustrated Chewy Brownies that is sure to satisfy every chocolate lover’s cravings. Follow the steps closely, and you’ll have a batch of brownies that are chewy, rich, and utterly delicious. Grab your ingredients, preheat that oven, and get ready to enjoy a homemade treat that will impress your family and friends. Happy baking!

Homemade Cook's Illustrated Chewy Brownies photo

Cook's Illustrated Chewy Brownies

These Cook's Illustrated Chewy Brownies are rich, fudgy, and simply irresistible!
Prep Time15 minutes
Cook Time30 minutes
Total Time45 minutes
Course: Dessert
Cuisine: American
Keyword: Brownies, Chewy, Chocolate, Easy
Servings: 12 servings

Ingredients

For the Brownies:

  • 1 cup Unsweetened Cocoa Powder
  • 2 tablespoons Boiling Water
  • 2 oz Unsweetened Chocolate chopped
  • ½ cup Unsalted Butter melted
  • 2 tablespoons Vegetable Oil
  • 2 large Large Eggs
  • 2 large Large Egg Yolks
  • 2 teaspoons Vanilla Extract
  • 2 cups Granulated Sugar
  • 1 cup All-Purpose Flour
  • ½ teaspoon Salt
  • 4 oz Semi-Sweet Chocolate Chunks

Instructions

Instructions:

  • Step 1: Preheat your oven to 350°F (175°C). This ensures that your brownies will bake evenly.
  • Step 2: Line an 8x8 inch baking pan with parchment paper, leaving some overhang to make it easier to lift the brownies out later.
  • Step 3: In a heatproof bowl, combine the chopped unsweetened chocolate and boiling water. Stir until the chocolate is completely melted and smooth. Set aside to cool slightly.
  • Step 4: In a large mixing bowl, combine the melted unsalted butter and vegetable oil. Whisk in the large eggs, egg yolks, and vanilla extract until the mixture is well blended.
  • Step 5: Pour the melted chocolate mixture into the wet ingredients and whisk until combined.
  • Step 6: In another bowl, whisk together the unsweetened cocoa powder, flour, salt, and granulated sugar until there are no lumps.
  • Step 7: Gradually add the dry ingredients to the wet mixture, stirring gently until just combined.
  • Step 8: Using a rubber spatula, fold in the semi-sweet chocolate chunks, ensuring they are evenly distributed throughout the batter.
  • Step 9: Pour the brownie batter into the prepared baking pan, spreading it evenly. Bake for about 25-30 minutes or until a toothpick inserted into the center comes out with a few moist crumbs.
  • Step 10: Remove the brownies from the oven and let them cool in the pan for about 10 minutes. Lift the brownies out of the pan and transfer them to a wire rack to cool completely before slicing into squares.

Equipment

  • Mixing Bowls
  • Whisk
  • Rubber spatula
  • Baking pan
  • Parchment Paper
  • Measuring cups and spoons

Notes

  • Store leftovers in an airtight container at room temperature for up to 3 days.
  • For longer storage, wrap individual squares tightly and freeze for up to 3 months.
  • Use parchment paper for easy removal of brownies from the pan.

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