Killer Brownies
["4 sq. unsweetened chocolate", "1 c. butter", "2 c. sugar", "4 eggs (room temperature)", "1 c. flour", "1 tsp. vanilla", "2 c. miniature marshmallows", "1 c. chocolate chips plus 1/2 c. chocolate chips for topping", "nuts (optional)"]
["Melt chocolate and butter.", "Mix sugar and beat in eggs.", "Mix and add flour and vanilla.", "Stir in marshmallows, nuts and chocolate chips.", "Pour into greased 9 x 13-inch pan.", "Sprinkle 1/2 cup chocolate chips on top. Bake at 350\u00b0 for 40 to 45 minutes."]
["unsweetened chocolate", "butter", "sugar", "eggs", "flour", "vanilla", "marshmallows", "chocolate chips", "nuts"]