1 3/4 c. flour
3/4 tsp. baking soda
1/4 tsp. salt
3/4 c. (1 1/2 sticks) butter, softened
1/2 c. granulated sugar
1/2 c. brown sugar, firmly packed
1 egg
1 tsp. vanilla
1 pkg. semi-sweet chocolate chunks

Mix flour, baking soda and salt in medium bowl; set aside.

Beat butter and sugars in large bowl until light and fluffy. Add egg and vanilla; beat well. Gradually beat in flour mixture. Stir in chocolate chunks. Spread dough in greased 13 x 9-inch pan.

Bake at 375°F for 20 to 22 minutes or until golden brown.