These gluten brownies are rich, fudgy chocolate squares made with melted chocolate, cocoa, and a gluten-free flour blend. A mix of granulated and brown sugar helps create a delicate crackly top, while cooling the brownies fully makes them easier to slice cleanly.
Ingredients
- ½ cup (113 g) unsalted butter, cut into pieces
- 4 oz (113 g) semisweet chocolate, chopped
- 1 cup (200 g) granulated sugar
- ½ cup (100 g) packed light brown sugar
- 3 large eggs (about 150 g without shells), at room temperature
- 1 teaspoon (5 ml) vanilla extract
- ⅓ cup (28 g) unsweetened cocoa powder
- ¾ cup (105 g) gluten-free all-purpose flour blend, preferably one that includes xanthan gum
- ½ teaspoon (3 g) fine salt
- ½ cup (85 g) semisweet chocolate chips, optional
Instructions
- Heat the oven to 350°F (175°C). Line an 8-inch (20 cm) square metal baking pan with parchment paper, leaving some overhang on two sides so you can lift out the brownies. Lightly grease any exposed sides. Check the flour blend and every packaged ingredient for a gluten-free label, and use clean bowls and utensils to avoid contact with wheat flour or crumbs.
- Put the butter and chopped semisweet chocolate in a heatproof bowl. Melt them in the microwave in 20-second bursts, stirring between each, or set the bowl over a saucepan of gently simmering water without letting the bowl touch the water. Stir until smooth, then set aside for about 5 minutes so the mixture is warm rather than piping hot.
- In a large bowl, whisk together the granulated sugar, brown sugar, and eggs for about 45 seconds, until the mixture looks glossy and slightly thickened. Whisk in the vanilla. This short whisk gives the surface a better chance of forming a fine, shiny crust; there is no need to whip the eggs to a foam.
- Pour the warm chocolate mixture into the egg mixture in a steady stream, whisking until evenly combined. Sift in the cocoa powder, gluten-free flour blend, and salt. Fold with a flexible spatula just until no dry streaks remain. Scrape the bottom and corners of the bowl as you fold, but stop once the batter is uniform so the brownies do not become tough or overly dense.
- Fold in the chocolate chips, if using. Scrape the batter into the prepared pan and spread it into an even layer, paying attention to the corners. The batter will be thick. A level surface helps it bake evenly, so gently nudge it into place rather than pressing it down hard.
- Bake for about 28 minutes, checking from 26 minutes onward because ovens and pans vary. The edges should look set and the center should no longer appear liquid. Check the center with an instant-read food thermometer: USDA FSIS gives 160°F (71°C) as the safe minimum temperature for egg dishes. A toothpick inserted near the center should show moist crumbs, not wet batter; melted chocolate on the pick can look like uncooked batter.
- Set the pan on a cooling rack and leave the brownies in the pan for at least 1 hour 30 minutes. They will seem soft when hot and will firm as they cool. For neat portions, lift them out using the parchment overhang and cut with a clean, sharp knife, wiping the blade between cuts.
Tips
- Choose the right flour blend. Use a cup-for-cup gluten-free baking blend intended to replace wheat flour, not a single flour such as rice, coconut, or almond flour. Blends differ in weight and starch content, so weigh 105 g when possible. If your blend has no xanthan gum, the brownies may be a little more fragile; follow the package guidance rather than adding a large extra amount.
- Keep the chocolate warm, not hot. Let the melted butter and chocolate stand briefly before adding them to the eggs. If the mixture is very hot, it can partially cook the eggs and leave little streaks or bits in the batter.
- Do not judge doneness by a perfectly clean toothpick. A clean pick can mean the brownies have baked too long. Look for set edges and a center that has stopped looking wet, and use the thermometer check for the egg-dish safety temperature. Begin checking at 26 minutes, especially if your pan is dark or your oven runs hot.
- Use parchment and allow the full cooling time. Gluten-free brownies can be more delicate while warm. Parchment makes them easier to lift, and cooling lets the center set so portions do not crumble. If a clean cut matters, chill the cooled slab for 20 minutes before slicing.
Serving Suggestions
Serve the brownies at room temperature for a soft, dense center and an easy-to-bite edge. A small square is rich on its own, but a scoop of vanilla ice cream, lightly sweetened whipped cream, or a spoonful of fresh berries makes a simple plated dessert. For a warm-and-cold contrast, briefly warm a portion and add ice cream; if reheating a leftover, heat it to 165°F (74°C) in line with leftover food-safety guidance, then let it stand until comfortable to eat.
For a dessert tray, cut the slab into 16 squares and arrange them with fruit or other clearly labeled gluten-free treats. Use a separate serving utensil and keep the brownies away from foods that may contain wheat if serving someone who needs to avoid gluten. The parchment-lined pan also makes it easy to transport the uncut slab; slice it shortly before serving if you want the edges to stay especially tidy.
Variations
Walnut brownies: Fold in ½ cup (60 g) chopped walnuts with the chocolate chips, or use the nuts instead of the chips for a less sweet, lightly crunchy result. Toasted nuts have a deeper flavor, but let them cool before adding them to the batter.
Espresso chocolate brownies: Stir 1 teaspoon (2 g) instant espresso powder into the warm melted chocolate. It gives the chocolate flavor a deeper edge without making the brownies taste strongly of coffee. For a more pronounced coffee note, use 2 teaspoons (4 g).
Dairy-free version: Replace the butter with ½ cup (110 g) dairy-free baking sticks and use dairy-free semisweet chocolate and chips. Choose baking sticks rather than tub-style spread, which often has more water and can change the texture. Check the ingredient labels on the chocolate and flour blend, too.
Swirled brownies: Drop ⅓ cup (75 g) sweetened cream cheese, softened and mixed smooth, in small spoonfuls over the batter. Draw a thin knife through the top in a few broad loops. The cream cheese adds a tangy, softer ribbon; because it is an egg-containing baked dessert, bake until the center reaches 160°F (71°C) as directed.
Less-sweet brownies: Use bittersweet chocolate labeled around 60–70% cacao in place of semisweet chocolate. The result tastes more intensely chocolatey, though it will be slightly less sweet. Keep the sugar amounts unchanged because sugar also contributes to the brownies’ structure and shiny crust.
Storage and Reheating
Let the brownies cool, then store them in an airtight container. Refrigerate within 2 hours of baking, and keep them refrigerated for 3–4 days. A sheet of parchment between layers helps prevent sticking. Chilling makes the texture firmer, so bring a portion to room temperature before serving if you prefer a softer bite.
To freeze, wrap individual squares or the whole cooled slab tightly, then place it in a freezer-safe container or bag for up to 2–3 months for best quality. Thaw wrapped brownies in the refrigerator overnight or at room temperature until soft. For a warm portion, microwave a square in short bursts, checking often; leftovers should reach 165°F (74°C) when reheated. The center can become very hot, so let it stand briefly before eating.
Frequently Asked Questions
Can I use almond flour instead of gluten-free flour blend?
Not as a direct swap. Almond flour has more fat and no starch structure, so the brownies may turn greasy or fall apart. Use a cup-for-cup gluten-free baking blend for this recipe; a blend containing rice flour, starches, and a binder is designed to behave more like all-purpose flour. A recipe specifically developed for almond flour is a better choice if that is the flour you have.
Why did my brownies turn out gritty?
Some gluten-free blends, especially those with a coarse rice flour, can leave a slightly sandy texture. Weigh the flour rather than packing it into the cup, and make sure the batter is mixed until the dry ingredients are fully moistened. If your blend consistently tastes gritty, try a finer-textured cup-for-cup blend next time; different blends can produce noticeably different results.
How can I tell when gluten-free brownies are done?
Look for set edges and a center that has lost its liquid shine, then check the middle with an instant-read thermometer. The center should reach 160°F (71°C), the USDA FSIS safe minimum for egg dishes. A toothpick should come out with moist crumbs rather than raw batter, though a streak of melted chocolate is normal. The brownies continue to firm as they cool.
Can I make the batter ahead of time?
For the best texture and crackly surface, bake the batter soon after mixing. Gluten-free flour can continue absorbing moisture as it sits, which may make the batter thicker and the finished brownies denser. If you need to get ahead, measure the dry ingredients and chop the chocolate in advance, then mix and bake when you are ready.
Can I double this recipe?
Yes. Double every ingredient and bake the batter in a parchment-lined 9-by-13-inch (23-by-33 cm) pan. The brownies may need a few extra minutes, so start checking around 28 minutes and use the same visual and thermometer cues rather than relying only on the clock. If the pan is glass, baking may take longer and the edges can brown more quickly, so check carefully.
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Safety notes: safe minimum internal temperatures from USDA FSIS; raw and undercooked fish guidance from the U.S. FDA. Food safety notes
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