Preparation

• Preheat oven to 350°F. Beat butter and sugar until light and fluffy. Add flour, pecans and cracker crumbs; mix well. Remove 1/4 cup of the crumb mixture; set aside. Press remaining crumb mixture onto bottom of greased 9-inch square baking pan. Bake 18 min. or until lightly browned.
• Melt caramels with water in heavy saucepan on low heat, stirring frequently until caramels are completely melted and mixture is well blended. Pour over crust. Sprinkle with reserved 1/4 cup crumb mixture, the marshmallows and chopped chocolate.
• Bake an additional 12 to 14 min. or until marshmallows are lightly browned. Cool. Cut into 24 bars to serve.