2	Cups	Sugar
1/2	Cup	Butter
1	Cup	Evaporated milk
1	Cup	Chocolate Chips
3/4	Cup	Flour
1	Cup	Crushed graham crackers
3/4	Cup	Walnuts, chopped
1	Tsp.	Vanilla

Combine in a saucepan the sugar, butter and milk. Bring to a full boil, stirring constantly. Boil for 10 minutes while constantly stirring. Remove from heat and stir in the chips, flour, graham crackers, walnuts and vanilla. Spread into a 9x13 inch pan. Let cool, cut and serve.