Make the brownies according the package instructions. Once the brownies are done, remove from the oven and cool.
Meanwhile, cut the strawberries in half and use a small heart-shaped cookie cutter to cut hearts out of each half. Repeat with remaining strawberries.
Once the brownies are cool, using a small heart-shaped cookie cutter cut hearts out of the cooled brownies.
Alternate threading brownies and strawberries onto wooden skewers. Drizzle the melted chocolate over the kebabs, if desired. Refrigerate until ready to serve.