Perfect Eggless Brown Butter Brownies

Finding a great brownie recipe that doesn’t use eggs can feel like searching for a needle in a haystack. Most eggless brownies turn out either too cakey or dry, and if you’re baking for someone with an egg allergy or just ran out of eggs mid-baking session, the last thing you want is a disappointing dessert.

That’s where these eggless brown butter brownies come in to save the day: they’re incredibly fudgy with a rich, nutty depth from the browned butter, surprisingly simple to whip up without any fancy egg substitutes, and honestly so good that no one will even realize they’re eggless.

What Kind of Butter Should I Use?

For brown butter brownies, you’ll want to start with good quality unsalted butter so you can control the salt level in your recipe. Regular salted butter can work in a pinch, but you might want to reduce the added salt slightly to compensate. The browning process is going to concentrate the butter’s flavor, so using a higher quality butter will give you better results. Make sure your butter is fresh and not close to its expiration date, since browning can sometimes bring out any off-flavors in older butter. European-style butter with higher fat content can create an even richer brown butter, but standard American butter works perfectly fine for this recipe.

Options for Substitutions

These brownies are already egg-free, but here are some other swaps you can make:

• Cornstarch: The cornstarch helps bind the brownies without eggs, so it’s pretty important here. If you’re out, you can use an extra tablespoon of flour, though the texture might be slightly less fudgy.
• Apple cider vinegar: This reacts with the milk to create a buttermilk effect. White vinegar or lemon juice work just as well – use the same amount.
• Milk: Any milk works here – dairy, almond, oat, or soy. Just stick with unsweetened varieties so your brownies don’t get too sweet.
• Brown sugar: You can use all white sugar if that’s what you have, but you’ll lose some of that caramel depth. Or go all brown sugar for even richer flavor.
• Espresso powder: This deepens the chocolate flavor without making the brownies taste like coffee. If you don’t have it, just leave it out – your brownies will still be great.
• Butter: The brown butter is really what makes these special, so try not to skip that step. But if you need a dairy-free option, use vegan butter and brown it the same way.
• Chocolate chips: Use whatever chocolate you like – dark, semi-sweet, or milk chocolate chips all work. Chopped chocolate bars are fine too.

Watch Out for These Mistakes While Baking

The biggest mistake with brown butter brownies is not browning the butter enough – you want to cook it until it smells nutty and turns a golden amber color, but watch carefully because it can burn in seconds and ruin the whole batch.

Overbaking is another common issue that leads to dry, cakey brownies instead of fudgy ones, so start checking at 35 minutes and look for a toothpick that comes out with a few moist crumbs, not completely clean.

Don’t skip letting the milk and vinegar mixture sit for those 5-8 minutes, as this creates a buttermilk substitute that helps bind everything together in place of eggs.

Finally, resist the urge to cut into the brownies right away – letting them cool completely in the pan helps them set properly and prevents them from crumbling into a mess when you slice them.

What to Serve With Brown Butter Brownies?

These rich brownies are amazing on their own, but they really shine when served warm with a scoop of vanilla ice cream melting on top. A dollop of whipped cream or a drizzle of salted caramel sauce also pairs beautifully with the deep chocolate flavor. For a cozy dessert spread, serve them alongside a cup of hot coffee or cold milk – the espresso powder in the brownies makes them especially good with your favorite brew. If you’re feeling fancy, dust them with a little powdered sugar or add some fresh berries on the side for a pop of freshness.

Storage Instructions

Store: Keep your brownies in an airtight container at room temperature for up to 4 days, or in the fridge for about a week. I like to layer parchment paper between them if I’m stacking, so they don’t stick together. They actually taste even better the next day once the flavors have had time to settle!

Freeze: These brownies freeze really well for up to 3 months. Cut them into squares first, then wrap each one individually in plastic wrap before putting them all in a freezer bag. That way you can grab just one or two whenever a chocolate craving hits.

Serve: If you’ve stored them in the fridge, let the brownies sit at room temperature for about 15 minutes before eating for the best fudgy texture. Frozen brownies can thaw on the counter in about 30 minutes, or you can microwave them for 15-20 seconds for that fresh-baked warmth.

Estimated Nutrition

Estimated nutrition for the whole recipe (without optional ingredients):

• Calories: 2700-2950
• Protein: 25-30 g
• Fat: 135-150 g
• Carbohydrates: 365-390 g

Ingredients

For the dry mixture:

• 1 1/2 cups flour (I always use King Arthur all-purpose flour for a consistent bake)
• 1 tbsp cornstarch
• 1/8 tsp baking powder
• 1 1/4 tsp salt (sifted with dry ingredients to remove any large clumps)
• 1/4 tsp ground cinnamon

For the batter:

• 4.5 fl oz milk
• 1 tsp apple cider vinegar
• 3/4 cup butter (I like Kerrygold unsalted butter to get the best nutty flavor when browning)
• 1 cup brown sugar (packed well to ensure a fudgy and moist texture)
• 3/4 cup sugar
• 2 oz cocoa powder
• 2 tsp vanilla essence
• 1 tsp espresso powder (helps intensify the chocolate flavor without tasting like coffee)
• 1/2 cup chocolate chips

Step 1: Prepare the Oven, Pan, and Dry Ingredients

• 1 1/2 cups flour
• 1 tbsp cornstarch
• 1/8 tsp baking powder
• 1 1/4 tsp salt
• 1/4 tsp ground cinnamon

Preheat your oven to 325°F and grease a 9×13 inch baking pan (or 8×8 for thicker brownies).

While the oven heats, sift together the flour, cornstarch, baking powder, salt, and cinnamon in a medium bowl.

Sifting removes any clumps and incorporates air, which helps create a more tender crumb.

Set this dry mixture aside—you’ll fold it in at the end to avoid overdeveloping gluten.

Step 2: Create the Egg Substitute and Brown the Butter

• 4.5 fl oz milk
• 1 tsp apple cider vinegar
• 3/4 cup butter

Combine the milk and apple cider vinegar in a small bowl and let sit for 5-8 minutes—this creates a buttermilk-like substitute that mimics the binding and moisture of eggs.

While it’s resting, melt the butter in a medium saucepan over medium heat, then continue cooking it for 3-5 minutes, swirling occasionally, until it turns golden brown and develops a nutty aroma.

I use Kerrygold butter because its higher fat content browns beautifully and adds incredible depth to the brownies.

Once browned, remove from heat and let cool slightly while you proceed.

Step 3: Build the Wet Ingredient Base with Sugar

• 1 cup brown sugar
• 3/4 cup sugar
• milk and vinegar mixture from Step 2
• brown butter from Step 2

Add the packed brown sugar and sugar to the cooled brown butter, stirring constantly for 2-3 minutes until the sugars partially dissolve and the mixture becomes thick and glossy.

This time and friction helps dissolve the sugar and creates a smooth batter.

Pour in the milk mixture from Step 2 and microwave the entire mixture for about 2 minutes—this gentle heat helps fully dissolve the sugar and creates the right consistency for binding the dry ingredients later.

Step 4: Dissolve Sugar and Incorporate Chocolate Flavor

• wet ingredient base from Step 3
• 2 oz cocoa powder
• 2 tsp vanilla essence
• 1 tsp espresso powder

Whisk the warm wet mixture vigorously for 1-2 minutes until the sugar is completely dissolved and the batter looks smooth.

Add the cocoa powder, vanilla essence, and espresso powder, stirring constantly for another 2 minutes until the cocoa is fully incorporated and no lumps remain.

The espresso powder deepens the chocolate flavor without adding coffee taste—I always include it for rich, complex brownies.

At this point, your batter should be silky and dark brown.

Step 5: Combine Wet and Dry Ingredients and Finish Batter

• dry ingredient mixture from Step 1
• chocolate batter from Step 4
• 1/2 cup chocolate chips

Gently fold the dry ingredient mixture from Step 1 into the chocolate batter using a rubber spatula, stirring until just combined—avoid overmixing, which would toughen the brownies.

Fold in the chocolate chips, then pour the batter evenly into your prepared pan, using the spatula to smooth the top.

Step 6: Bake and Cool

Bake at 325°F for 40-50 minutes, until a toothpick inserted into the center comes out with just a few moist crumbs—don’t overbake or the brownies will be dry.

Remove from the oven and let cool completely in the pan before cutting into squares.

I find that cooling in the pan helps the brownies set properly and keeps them fudgy inside.

Perfect Eggless Brown Butter Brownies

Delicious Perfect Eggless Brown Butter Brownies recipe with step-by-step instructions.

Print Recipe Pin Recipe

Prep Time 25 minutes mins

Cook Time 45 minutes mins

Total Time 1 hour hr 10 minutes mins

Servings: 16 pieces

Calories: 2825

Ingredients Method

Ingredients

  

For the dry mixture::

• 1 1/2 cups flour (I always use King Arthur all-purpose flour for a consistent bake)
• 1 tbsp cornstarch
• 1/8 tsp baking powder
• 1 1/4 tsp salt (sifted with dry ingredients to remove any large clumps)
• 1/4 tsp ground cinnamon

For the batter::

• 4.5 fl oz milk
• 1 tsp apple cider vinegar
• 3/4 cup butter (I like Kerrygold unsalted butter to get the best nutty flavor when browning)
• 1 cup brown sugar (packed well to ensure a fudgy and moist texture)
• 3/4 cup sugar
• 2 oz cocoa powder
• 2 tsp vanilla essence
• 1 tsp espresso powder (helps intensify the chocolate flavor without tasting like coffee)
• 1/2 cup chocolate chips

Method

 

1. Preheat your oven to 325°F and grease a 9x13 inch baking pan (or 8x8 for thicker brownies). While the oven heats, sift together the flour, cornstarch, baking powder, salt, and cinnamon in a medium bowl. Sifting removes any clumps and incorporates air, which helps create a more tender crumb. Set this dry mixture aside—you'll fold it in at the end to avoid overdeveloping gluten.
2. Combine the milk and apple cider vinegar in a small bowl and let sit for 5-8 minutes—this creates a buttermilk-like substitute that mimics the binding and moisture of eggs. While it's resting, melt the butter in a medium saucepan over medium heat, then continue cooking it for 3-5 minutes, swirling occasionally, until it turns golden brown and develops a nutty aroma. I use Kerrygold butter because its higher fat content browns beautifully and adds incredible depth to the brownies. Once browned, remove from heat and let cool slightly while you proceed.
3. Add the packed brown sugar and sugar to the cooled brown butter, stirring constantly for 2-3 minutes until the sugars partially dissolve and the mixture becomes thick and glossy. This time and friction helps dissolve the sugar and creates a smooth batter. Pour in the milk mixture from Step 2 and microwave the entire mixture for about 2 minutes—this gentle heat helps fully dissolve the sugar and creates the right consistency for binding the dry ingredients later.
4. Whisk the warm wet mixture vigorously for 1-2 minutes until the sugar is completely dissolved and the batter looks smooth. Add the cocoa powder, vanilla essence, and espresso powder, stirring constantly for another 2 minutes until the cocoa is fully incorporated and no lumps remain. The espresso powder deepens the chocolate flavor without adding coffee taste—I always include it for rich, complex brownies. At this point, your batter should be silky and dark brown.
5. Gently fold the dry ingredient mixture from Step 1 into the chocolate batter using a rubber spatula, stirring until just combined—avoid overmixing, which would toughen the brownies. Fold in the chocolate chips, then pour the batter evenly into your prepared pan, using the spatula to smooth the top.
6. Bake at 325°F for 40-50 minutes, until a toothpick inserted into the center comes out with just a few moist crumbs—don't overbake or the brownies will be dry. Remove from the oven and let cool completely in the pan before cutting into squares. I find that cooling in the pan helps the brownies set properly and keeps them fudgy inside.