Mother`s Chocolate Diamonds (Christmas)

1/2 c Butter or margarine

3 x Unsweetened choc. -- squares

1 c Sugar

2 Eggs

1 c Flour

1 t Vanilla

2/3 c Pecans -- chopped

Oven 400~. Grease 9x13x2 inch baking pan. Melt butter and chocolate. Stir in sugar. Add eggs and beat well. Add remaining ingredients. Mix well. Bake at 400~ for 15 min. Let cool in pan. Cut into diamonds. Store in tin box between layers of wax paper.