Mississippi Mud Pie
["1 heaping Tbsp. butter", "1 1/2 c. brown sugar", "1/2 c. water", "3 egg yolks", "4 Tbsp. flour", "2 1/2 c. milk", "1 tsp. vanilla", "crushed graham crackers (made from 12 crackers)"]
["Melt butter.", "Add brown sugar and water (boiled 1 minute to syrup).", "In bowl mix egg yolks, flour and milk; slowly add syrup. Return to stove; boil until thick.", "Add vanilla; pour into baked pie shell.", "Sprinkle top with crushed graham crackers."]
["butter", "brown sugar", "water", "egg yolks", "flour", "milk", "vanilla", "graham crackers"]