2 c. finely crushed vanilla wafers (50)
1/4 c. brown sugar
1/3 c. butter, melted

Toffee Layer:
1/2 c. butter
1/2 c. brown sugar
1 (6 oz.) semi-sweet chocolate chips
1/2 c. finely chopped nuts

For Base: Preheat oven to 350 degrees. Combine cookie crumbs and brown sugar. Stir in butter. Press into a 9 x 13 inch pan. Bake at 350 degrees for 8 minutes.

For Toffee Layer: In saucepan, combine butter and brown sugar. Cook over medium heat, stirring constantly until mixture comes to a boil. Boil 1 minute. Pour over cake base. Bake at 350 degrees for 10 minutes. Let stand 2 minutes. Sprinkle with chocolate chips. Let stand 2 to 3 minutes to melt. Spread evenly. Sprinkle with chopped nuts. Cool before cutting into bars.