Best-Ever Gluten-Free Brownies
1/3 cup Dutch-processed cocoa
½ cup plus 2 tablespoons boiling water
2 oz unsweetened chocolate, finely chopped
4 Tbsp (½ stick) unsalted butter, melted
½ cup plus 2 tablespoons oil (corn, canola, vegetable, or coconut)
2 large eggs
2 large egg yolks
2 tsp pure vanilla extract
2½ cups sugar
1¾ cups good quality gluten-free flour blend
½ tsp xanthan gum (omit if flour blend has xanthan in it already)
¾ tsp table salt
6 oz bittersweet or semi-sweet chocolate, chunks or chips
Preheat oven to 350°F. Make a foil sling: Cut 18″ length foil and fold lengthwise to 8″ width. Fit foil into length of 13×9-inch metal baking pan, pushing into corners and up the sides of pan; allow excess to overhang pan edges. Cut 14″ length foil and fit into width of pan in the same manner, perpendicular to the first sheet. Spray foil with nonstick cooking spray.
In a large, microwave safe bowl, whisk cocoa and boiling water together until smooth. Add unsweetened chocolate and whisk until the chocolate is melted. If you need to, place the bowl in the microwave in 30 second increments to help melt the chocolate.
Whisk in the melted butter and oil. Mixture may look curdled at this point and that’s okay! Add eggs, yolks, and vanilla extract, and continue to whisk until smooth and large. Whisk in sugar until fully incorporated.
In a small bowl, whisk together the gluten-free flour blend, xanthan gum, and salt. Stir the flour mixture into wet ingredients and mix with a rubber spatula until combined.
Fold in the bittersweet or semi-sweet chocolate pieces.
Scrape batter into prepared pan and bake until toothpick inserted halfway between edge and center comes out with just a few moist crumbs attached, approximately 30 to 35 minutes. Transfer pan to a wire rack and cool 1½ hours.
When cool, cut and serve! The foil sling makes it easy to pull them out and place on cutting board for easy cutting.