good neighbor brownies

Ingredients

• - base:
• 6 tablespoons butter or margarine
• 1/2 cup brown sugar, firmly packed
• 1/2 cup all purpose flour-sifted
• 1/4 teaspoon baking soda
• 1/4 teaspoon salt
• 1 cup quaker 100% natural cereal
• - brownies:
• 2 ounces (2 squares) unsweetened chocolate
• 1/3 cup butter or margarine
• 2/3 cup sugar
• 2 - eggs
• 3/4 cup sifted all purpose flour
• 1 teaspoon baking powder
• 1/4 teaspoon salt
• 1/4 teaspoon mint extract
• - topping:
• 2 tablespoons butter or margarine, melted
• 1 cup powdered sugar sifted
• 2 teaspoons milk
• 1/4 teaspoon mint extract
• - few drops of green food coloring
• - glaze:
• 1 ounce (1 square) unsweetened chocolate
• 1 tablespoon butter or margarine