Bake for 9-11 minutes, until a toothpick inserted into the center of a brownie comes out with just a few small crumbs attached. Use a teaspoon to press down the center of each brownie to make a small well. Let cool in the pan for 3 minutes before using a small rubber spatula to gently remove the brownies to a wire rack to cool.
While the brownie bites cool, make the ganache. Place the chocolate chips in a small bowl. Heat the heavy cream in a small saucepan until it begins to boil. Pour hot cream over chocolate chips and let stand for 30 seconds; stir until chocolate melts and mixture is smooth. Spoon ½ teaspoon ganache onto top of each brownie bite and top with a fresh raspberry.