Start by preheating the oven to 400°F. Spread halved cherries on a parchment-lined baking sheet and sprinkle with sugar. Roast them for 10 minutes until they are soft and fragrant, then set aside while you prepare the brownies.
Lower the oven temperature to 350°F and grease your baking pan. Melt half of the chocolate chips with vegetable oil in the microwave, stirring until smooth. This gives the brownies a rich, fudgy texture that I love.
In a mixing bowl, whisk together granulated sugar, brown sugar, eggs, and vanilla extract until light and fluffy. Then, slowly pour in the melted chocolate mixture and mix just until combined. This step makes the brownies tender and rich.
In a separate bowl, whisk flour, cocoa powder, and salt. Gradually fold this into the wet ingredients to make a thick, chocolatey batter. Then gently fold in the remaining chocolate chips and half of your roasted cherries.
Pour the batter into the prepared baking dish and bake for 30–35 minutes. Check doneness by inserting a toothpick; it should come out with a few crumbs but no wet batter. Once baked, top the brownies with the remaining roasted cherries and allow them to cool slightly before cutting.