Combine flour and 1/3 cup brown sugar with the 3/4 cup of softened butter using a pastry blender or fork until the mix resembles coarse meal.

Press the mixture into a greased 13x9-inch pan.

Bake at 350°F for 15-18 minutes, do not let it get too brown.

Combine the remaining ingredients except for the pecans, beating well.

Stir in pecans.

Pour filling over the prepared crust.

Bake at 350°F for 35-40 minutes or until done.

Cool and cut into bars.

Enjoy!