1/2 cup packed brown sugar
1/2 cup butter or margarine
1/2 teaspoon vanilla
1/2 cup chopped pecans
Heat oven to 350ºF. Arrange graham crackers in single layer in ungreased jelly roll pan, 15 1/2x10 1/2x1 inch. Heat brown sugar and butter to boiling in 2-quart saucepan. Boil 1 minute, stirring constantly; remove from heat. Stir in vanilla. Pour sugar mixture over crackers; spread evenly. Sprinkle with pecans. Bake 8 to 10 minutes or until bubbly; cool slightly. Cut between graham crackers into bars.