Chocolate-Marshmallow Brownies

Ingredients
4 (1-ounce) unsweetened chocolate squares
1 cup butter or margarine
2 cups sugar
4 large eggs
1 cup all-purpose flour
1/8 teaspoon salt
2 teaspoons vanilla extract
2 cups (12 ounces) semisweet chocolate morsels
2 cups miniature marshmallows
Preparation
Heat chocolate and butter in a saucepan over medium-high heat, stirring constantly, until melted. Stir in sugar, and cook, stirring constantly, until sugar melts. Cool 15 minutes.

Add eggs; stir until blended. Add flour, salt, and vanilla, stirring until blended. Stir in chocolate morsels and marshmallows, and pour into a greased 13- x 9-inch pan.

Bake at 350° for 30 to 35 minutes; cool in pan on a wire rack. Cover brownies, and let stand at room temperature 8 hours.