Chocolate Macaroon Squares

1 (18.25 ounce) box chocolate cake mix
1/3 cup butter or margarine, softened
1 large egg, lightly beaten
1 1/4 cups (14 ounce can) sweetened condensed milk
1 large egg
1 teaspoon vanilla extract
1 1/3 cups flaked sweetened coconut, divided
1 cup chopped pecans
1 cup (6 ounces) semisweet chocolate chips

Heat oven to 350 degrees F.

Combine cake mix, butter and egg in large bowl; mix with fork until crumbly. Press onto bottom of ungreased 13 x 9-inch baking pan.

Combine sweetened condensed milk, egg and vanilla extract in medium bowl; beat until well blended. Stir in 1 cup coconut, nuts and chocolate chips. Spread mixture evenly over base; sprinkle with remaining coconut. Bake for 28 to 30 minutes or until center is almost set (center will firm when cool). Cool in pan on wire rack.