- 3 cups zwieback cracker crumbs
- 2 cups miniature marshmallows
- 1 cup chopped pecans
- 2/3 cup packed brown sugar
- 1 cup evaporated milk
- 2 cups butterscotch chips
- 1/2 teaspoon vanilla extract
- In a large bowl combine zwieback crumbs, marshmallows, nuts and brown sugar.
- In a saucepan over low heat cook the evaporated milk and butterscotch chips. Stir mixture constantly until the chips have melted and the mixture is smooth. Reserve 1/2 cup of the butterscotch mixture for glaze. Combine the remainder with the dry mixture and mix well.
- Spread batter into one 8 inch square buttered baking pan. Drizzle reserved butterscotch mixture over the top. Refrigerate bars for several hours or overnight before cutting and serving. Store leftovers in a covered container in the refrigerator.