Ingredients
about 75 rectangular buttery crackers (Keebler Club)
1/2 cup unsalted butter
1/2 cup milk
1 1/4 cups light brown sugar
1/4 cup granulated sugar
2 cups graham crackers, finely crushed
1 1/4 cups chocolate chips
1 cut peanut butter chips
Line a 13x9x2 baking pan with nonstick foil, leaving a few extra inches on each side. Line bottom with crackers.
In a medium saucepan, melt unsalted butter over medium-high heat. Add milk, light brown sugar, and granulated sugar. Bring to a simmer and gradually stir in crushed graham crackers. Simmer, stirring frequently, for 5 minutes. Pour 1 cup of the mixture over the crackers and spread evenly. Place another layer of crackers in pan and spread remaining cup of sugar mixture over the crackers. Top with another layer of crackers.
Place chocolate chips and peanut butter chips in a medium bowl over a small amount of simmering water in a medium saucepan over low heat. Stir until smooth. Spread evenly over top layer of crackers.
Refrigerate for at least 1 hour until set. Carefully lift out of pan and place on a cutting board. Cut into 1"x4" bars with a serrated knife.