Brownies to Die For 1 (19.8 ounce) box brownie mix 1 cup sour cream 1 (16 ounce) container coconut pecan frosting 1 cup miniature semisweet chocolate chips 1 cup chopped pecans Preheat oven to 350 degrees F. Grease a 9 x 13-inch pan. Mix brownie mix according to package directions, omitting half the oil asked for. Add the sour cream and pecan frosting; mix and spread into the prepared pan. Bake 30 minutes, checking after 20 minutes. Be careful not to overbake or they will harden and be impossible to eat!! About 5 minutes before brownies are done, remove from oven and sprinkle chocolate chips and pecans over the top. Return to oven for 5 minutes. Take out and spread the chocolate chips around for the frosting.