I hope this is the recipe you are looking for. There is another one with chocolate crust. I you are also interested in it, I will gladly post it for you.

Caramel Nut Candy Bars
Yield: 18 Servings
Recipe by: Unknown Cooking Magazine Posted to MC-Recipe Digest V1 #682 by L979 on Jul 21, 1997

8 oz (about 30) caramels
3 tb milk
3 tb margarine or butter
1 c powdered sugar
2 1/2 c peanuts

Lightly grease 8 inch square pan. In top of double boiler, combine caramels and milk. Cook over hot water until caramels are melted, stirring occasionally. Remove from heat.

Add margarine; mix well. Stir in powdered sugar; beat by h and until smooth. Stir in peanuts. With buttered fingers, press mixture into greased pan. Refrigerate 1 to 2 hours or until firm; cut into bars. Store in refrigerator. Makes 18 bars.