3/4 c. sugar
1/2 c. brown sugar
1 c. crushed vanilla wafers
1/4 c. milk
1/2 c. butter
2/3 c. peanut butter
1 c. chocolate chips
1/2 c. chopped pecans (opt.)
8 full graham crackers

Line a 9" square pan with full graham crackers. Mix sugar, milk and butter, bring to a boil; add crushed vanilla wafers; pour over graham crackers; melt peanut butter and chocolate chips together and spread over this, sprinkle pecans over top; cool on counter and cut.