Refrigerator Brownies

No experience needed to make these no-bake chocolate bars!  You can double the ingredients and use a 13 x 9-inch pan.
Ingredients :

• 2-1/2 cups graham cracker crumbs
• 2 cups miniature marshmallows
• 1 cup toasted chopped walnuts or pecans
• 3/4 cup icing sugar
• 1 tbsp. grated orange rind
• 2-1/2 cups semisweet chocolate chips
• 1 cup evaporated milk (Be sure to use regular evaporated milk and not the lower-fat varieties for the brownies)
• 2 tbsp. butter
• 1 tsp. vanilla

Cooking Procedures :

1. In a bowl, mix together graham cracker crumbs, marshmallows, walnuts, sugar and orange rind.  Set aside.
2. In a saucepan, heat together 2 cups of the chocolate chips, milk, and butter over low heat until smooth, stirring occasionally.  Remove from heat and stir in vanilla.
3. Transfer 1-1/4 cups chocolate mixture and stir into crumb mixture.  Press into prepared cake pan.
4. Add remaining 1/2 cup chocolate chips to mixture in saucepan and whisk over low heat until melted.  Spread over crumb mixture.
5. Refrigerate for at least 1 hour or until firm.  Cut into squares and serve.
6. Makes 18 brownies.