Hi Diane :-) I found this recipe for you on the internet. I have not tried it. I hope that it is what you are looking for.

Quick, Easy -N- Fast Twix Candy Bar Recipe

Boil for 5 minutes:
1/2 cup brown sugar
1/2 cup margarine
1 cup graham crackers crumbs
1/2 cup white sugar
1/4 cup milk

Melt over low heat:
1/2 cup chocolate chips
1/2 cup butterscotch chips
2/3 cup peanut butter

Line a 9 x 13 pan with Club crackers. Pour over crackers and top with another layer of crackers. Pour melted chips over top of bars and spread. Cool and cut into squares.