and butter in top of double boiler over hot water. Set aside. 2. Cream sugar and eggs until light and fluffy. Add flour. Beat. Add melted chocolate and butter. Beat well. Mix in vanilla and pecans. 3. Pour into prepared pan. Bake 18 minutes. Remove from oven and cover with marshmallows. Return to oven and bake until marshmallows are lightly browned. 4. Cool slightly and cut into bars. from: _Cookiemania_