Pistachio Brownies

Pistachio brownies, done properly, are a dense, fudgy dark chocolate brownie made on brown butter, with a cup of roasted salted pistachios folded through the batter and a thin layer of pale green pistachio white-chocolate ganache spread over the cooled slab. The pistachio is in three places at once: toasted and salty inside the brownie, smooth and sweet in the ganache, and crunchy on top. Nothing here is hard, but three steps decide the result, and each has a reason: browning the butter, whisking the sugar into the warm chocolate before the eggs go in, and melting the white chocolate gently enough that it does not seize.

The recipe card at the bottom has the amounts and numbered steps for a 9-inch pan, 16 squares. This guide covers what makes these different from a mix, why brown butter and no leavening are the fudgy-brownie formula, how the shiny crackly crust forms and how to get it every time, how to make a pistachio paste and ganache that stays green, doneness without a dry edge, and storage. It sits in the site's baking and desserts section next to Gordon Ramsay's blondies.

What Makes These Pistachio Brownies Different

Four choices. The butter is browned first, so the brownie base tastes toasted and nutty before a single pistachio goes in, and brown butter and pistachio share the same roasted flavor family. The chocolate is real dark chocolate at 60 to 70 percent cacao, melted into that butter, plus a little cocoa powder for depth. There is no baking powder or soda, so the crumb stays dense instead of rising into cake. And the pistachios are roasted and salted, not raw, because raw pistachios go soft and pale in a wet batter while roasted ones keep their crunch and their salt seasons the chocolate. A half teaspoon of almond extract in the batter reads as more pistachio, not almond; the two nuts share their main aroma compound.

The ganache is the part people photograph, and it is pistachios, not food coloring. Shelled pistachios are blanched for a minute, rubbed out of their papery skins, and ground with a spoon of water into a paste, then beaten into melted white chocolate and cream. Pistachios are a California crop above all, the growers' association notes the state became the world's leading producer after the mid-1970s and harvests the nuts when the hull separates from the shell on its own; buy the greenest roasted kernels you can find, because the color of the ganache is the color of the nut.

Brown Butter and No Leavening: The Fudgy Formula

Brown the butter in a small light-colored pan over medium heat, and keep going past the foam until the milk solids on the bottom turn the color of a hazelnut and the pan smells like toast, 5 to 7 minutes for a stick and a quarter. Butter is about 16 percent water and a couple of percent milk proteins and sugars; the first minutes of sputtering are the water boiling off, and only once the pan is dry can its temperature climb past 212°F to where the Maillard reaction browns those solids, from about 284°F. Pull it the moment the solids are brown, not black, and pour it over the chopped chocolate straight away so the chocolate melts in the residual heat with no extra pan.

Fudgy brownies are a matter of ratio, and King Arthur Baking's breakdown of its own recipes lays it out: fudgy brownies run on a high ratio of fat and sugar to flour, melted chocolate for texture, and no added liquid or leaveners, while cakey brownies add more flour and eggs and a rising agent. That is why this recipe uses half a cup of flour for a 9-inch pan and no baking powder. Without leavening there are no gas bubbles to open the crumb, and with little flour there is not enough gluten or starch to build a cake structure; what sets the brownie is the chocolate's cocoa butter firming as it cools and the eggs coagulating around 158°F, which is why a fudgy brownie is soft warm and dense the next day. King Arthur also notes that cocoa powder is thirsty for liquid because of its starch, so the cocoa here is a small amount for flavor, balanced by the fat.

How to Get the Shiny, Crackly Top

The paper-thin shiny crust on a good brownie is a layer of meringue. King Arthur's test baker traced it to dissolved sugar and egg migrating to the surface as the brownie bakes, where the sugar melts and turns glossy and the egg white joins it in a thin, delicate meringue skin, and found that dissolving the sugar in the warm butter and chocolate, and beating the eggs in thoroughly, is what makes it reliable. So the order here is deliberate: whisk both sugars into the warm brown butter and chocolate until the mixture is glossy and the grains have mostly dissolved, then beat in the eggs and vanilla for a full minute, until the batter thickens and turns satiny. That minute is where the crust comes from.

Then fold, do not beat. Add the flour, cocoa and salt and fold just until no dry streaks remain, then fold in three quarters of the chopped pistachios. Overworking the flour at this stage develops gluten, and gluten is the difference between fudgy and chewy-tough. Spread the batter into a parchment-lined 9-inch pan, leaving overhang on two sides so the slab lifts out whole for glazing, and scatter nothing on top yet; the crust needs a clean surface to form.

Baking and Doneness: Set Edges, Soft Middle

Bake at 350°F for 22 to 26 minutes, until the edges are set and pulling slightly from the parchment, the top is matte and crackled, and a toothpick in the center comes out with moist, fudgy crumbs clinging to it, not wet batter and not clean. A clean toothpick on a fudgy brownie means it is already over; the center keeps cooking from the pan's stored heat for several minutes after it comes out, and the chocolate and butter firm as they cool, so a slab that looks slightly underdone at the toothpick is right at the plate.

Let the slab cool completely in the pan before the ganache goes on. Warm brownie would melt a white-chocolate ganache and turn it translucent, and the ganache itself has a ceiling: a chocolate-and-cream emulsion holds together up to about 91°F and splits into oil above it, so it wants a cool surface and a cool room.

The Pistachio Ganache: Blanch, Grind, and Keep It Green

The color comes from the kernel, so the skins have to go. Drop a half cup of shelled pistachios into boiling water for one minute, drain, tip them onto a towel and rub; the thin brown-purple skins slide off and leave bright green nuts. Grind them in a small food processor with a spoon of water and a pinch of salt into a thick paste, scraping down, and do not expect it to be perfectly smooth; the fine grain reads as pistachio on the tongue. Then melt 4 ounces of chopped white chocolate with 3 tablespoons of cream in short bursts, stirring between, and beat the paste in until it is a uniform pale green.

White chocolate is the fragile part. Under the FDA's standard of identity it is cocoa butter, milk solids and sugar with no cocoa solids at all, and that composition sets two rules. First, it scorches at a lower temperature than dark chocolate, because milk solids brown and clump long before cocoa butter is in any danger, so melt it in 20-second bursts or over barely simmering water and never let it sit over direct heat. Second, it seizes on a trace of water; a damp bowl or a single drip turns a glossy melt into a grainy lump, which is why the cream goes in with the chocolate from the start rather than after, so the fat and water are combined as one emulsion from the first stir. If it does seize, a tablespoon of warm cream beaten in usually brings it back. Spread the ganache over the cooled slab, scatter the remaining chopped pistachios, and refrigerate 30 minutes to set before lifting out and cutting.

Cutting, Storing and Variations

Lift the slab out by the parchment onto a board and cut with a long knife wiped between cuts, four by four for 16 squares. The brownies keep 4 days in a sealed container at room temperature and a week in the refrigerator, and they stay moist because sugar is hygroscopic; it holds onto water, which is the same reason a high-sugar cookie softens overnight and the reason cutting the sugar in a brownie recipe dries it out. Freeze the unglazed slab, wrapped, for up to a month and glaze after thawing.

For a plain pistachio brownie, skip the ganache and double the pistachios on top before baking, pressed in lightly so they toast. For a darker version, use 70 percent chocolate and swap the brown sugar for granulated. The same brown-butter start turns up in the site's chocolate chip cookies, and if you are building a dessert table, the banoffee pie and toasted milk tres leches round it out. The rest of the recipes collection has the savory side of the party.

Pistachio Brownies (Brown Butter, Pistachio White-Chocolate Ganache)

Fudgy dark chocolate brownies made on brown butter with roasted salted pistachios folded through, baked at 350°F until the top crackles and a toothpick shows moist crumbs, cooled, and spread with a pale green ganache of blanched pistachio paste, white chocolate and cream. One 9-inch pan, 16 squares.

Print Recipe Pin Recipe

Prep Time 25 minutes mins

Cook Time 25 minutes mins

Course Dessert

Servings 16 brownies

Calories 290 kcal

Ingredients

  

• For the brownies
• 10 Tbsp unsalted butter
• 5 oz dark chocolate (60 to 70% cacao), chopped
• ¾ cup granulated sugar
• ¼ cup packed light brown sugar
• 2 large eggs, room temperature
• 1 tsp vanilla extract
• ½ tsp almond extract
• ½ cup all-purpose flour
• 3 Tbsp unsweetened cocoa powder
• ½ tsp fine sea salt
• 1 cup roasted salted pistachios, coarsely chopped, divided
• For the pistachio ganache
• ½ cup shelled pistachios (unsalted)
• 1 Tbsp water, plus a pinch of salt
• 4 oz white chocolate (real cocoa butter), chopped
• 3 Tbsp heavy cream

Instructions

 

• Heat the oven to 350°F (175°C). Line a 9-inch square pan with parchment, leaving overhang on two sides.
• Brown the butter: melt it in a small light-colored saucepan over medium heat and keep cooking, swirling, as it foams, until the solids on the bottom turn hazelnut brown and it smells toasted, 5 to 7 minutes. Immediately pour it over the chopped dark chocolate in a large bowl. Let stand 1 minute, then stir until smooth.
• Whisk both sugars into the warm chocolate mixture until glossy and the grains have mostly dissolved. Add the eggs, vanilla and almond extract and beat with the whisk for a full minute, until the batter is thick and satiny.
• Sift in the flour, cocoa and salt and fold with a spatula just until no dry streaks remain. Fold in ¾ cup of the chopped pistachios. Spread evenly in the pan.
• Bake 22 to 26 minutes, until the edges are set and pulling from the paper, the top is matte and crackled, and a toothpick in the center comes out with moist crumbs, not wet batter. Cool completely in the pan, about 1 hour.
• Make the ganache: drop the shelled pistachios into boiling water for 1 minute, drain, rub them in a towel to remove the skins, and grind in a small food processor with the water and salt to a thick paste. Put the white chocolate and cream in a microwave-safe bowl and melt in 20-second bursts, stirring between, until smooth. Beat in the pistachio paste until evenly pale green.
• Spread the ganache over the cooled slab, scatter the remaining ¼ cup pistachios on top, and refrigerate 30 minutes until set. Lift out by the parchment and cut into 16 squares with a long knife, wiped between cuts.

Notes

Pull the brownies at moist crumbs, not a clean toothpick; they finish in the pan. Melt the white chocolate gently with the cream already in the bowl so it neither scorches nor seizes; a tablespoon of warm cream rescues a seized batch. Keeps 4 days at room temperature, a week refrigerated.

More from the baking bench: Gordon Ramsay's blondies, chocolate chip cookies, and banoffee pie. Party side: caramelized onion dip.

Pistachio Brownies FAQs

The questions that come up most: whether to use raw or roasted pistachios, how to get the shiny top, why the brownies came out cakey, why the white chocolate seized, how to make the ganache green without dye, whether pistachio paste from a jar works, how to tell when brownies are done, and how to store them.