Butterscotch Dessert with pecans

1 cup uncooked quick-cooking oats 1/2 cup chopped pecans 1/2 cup butter , softened 1/4 cup all-purpose flour 1/4 cup firmly packed brown sugar 1 (3 5/8 ounce)[...]

1/2 cup cold butter or 1/2 cup margarine 1 cup all-purpose flour 3/4 cup chopped pecans , divided 1 (8 ounce) package cream cheese , softened 1 cup[...]

1 (16 ounce) package pecan sandies, Crushed 3 (3 1/2 ounce) packages instant butterscotch pudding mix 5 1/2 cups milk 2 (12 ounce) containers Cool Whip 1 (8[...]