1 3/4 c. unsifted flour
1 c. quick cooking oats
1/2 c. firmly packed brown sugar
1/2 tsp. baking soda
1/2 tsp. salt
1 c. cold butter
1 c. chopped walnuts
20 caramels, unwrapped
1 (14 oz.) sweetened condensed milk
1 (21 oz.) can apple filling

Preheat oven to 375 degrees. In large bowl, combine flour; oats; sugar; baking soda; and salt. Cut in butter until crumbly. Reserve 1 1/2 cup crumb mixture; press remainder on bottom of 9 x 13 baking pan. Bake 15 minutes. Add nuts to reserved crumb mixture. In heavy saucepan over low heat, melt caramels with sweetened condensed milk stirring until smooth. Spoon apple filling over prepared crust; top with caramel mixture then reserved crumb mixture. Bake 20 minutes or until set. Cool. Serve warm with ice cream if desired.