1/3 c. butter, cut into chunks
3/4 c. all-purpose flour
3/4 c. quick-cooking rolled oats
3/4 c. brown sugar, packed
3/4 tsp. salt
1/2 c. caramel topping
1/2 c. powdered sugar
1/4 tsp. vanilla
1/2 c. nuts, chopped

In medium mixing bowl, combine butter, flour, oats, brown sugar and salt. Beat at low speed of electric mixer until mixture forms coarse crumbs. Pat mixture in bottom of 9 inch square baking dish. Place on saucer in oven. Microwave at Power Level 5 for 5 to 6 minutes, or until set, rotating dish once. Set aside. In 4 cup measure or small mixing bowl, mix caramel topping, powdered sugar and vanilla. Microwave at High for about 2 minutes, or until mixture bubbles, stirring 2 times. Stir in nuts. Spread evenly over crust. Chill to set. Cut into 24 bars.