01 -
Preheat oven to 200°C. Line a baking tray with parchment paper. Spread the halved cherries evenly, sprinkle lightly with sugar, and roast for 10 minutes. Allow cherries to cool before use.
02 -
Lower oven temperature to 160°C. Grease a 20 cm x 20 cm baking pan with non-stick spray, then line the base and two sides with parchment paper. Spray again to ensure easy release.
03 -
Sift all-purpose flour, cocoa powder, cornstarch, and salt into a bowl. Set aside.
04 -
In a stand mixer fitted with the whisk attachment, combine granulated sugar, eggs, and egg yolk. Whisk on high for 5 minutes until pale and thickened.
05 -
While mixing, melt unsalted butter and let it cool slightly. Add cooled butter, oil, and vanilla extract to the egg mixture. Mix briefly on low speed.
06 -
Remove bowl from mixer. Add dry ingredients to wet mixture. Fold gently with a rubber spatula until just combined, taking care to retain as much air as possible.
07 -
Reserve half the roasted cherries for topping. Fold remaining cherries and chocolate chips into batter until evenly distributed.
08 -
Transfer brownie batter to prepared pan, smoothing the surface. Bake for 40–50 minutes. The edges should be set while the center remains slightly underdone. Add additional chocolate chips on top if desired. Allow to cool in the pan completely.
09 -
Freeze brownies in the pan for 15 minutes to ease slicing. Remove from pan, top with reserved roasted cherries, portion, and serve.