Gooey Brownies

1 (21.5 oz.) pkg. brownie mix
1 (8 oz. ) container sour cream
1 (12 oz. ) pkg. semisweet chocolate morsels
1 cup chopped pecans
Prepare brownie mix according to package directions; stir in sour cream, chocolate morsels, and pecans. Spoon into a greased 13 x 9 in. pan. Bake at 350 degrees for 30 to 35 minutes or until done. Cool and cut into squares. Yield: 2 dozen