Graham Cracker Fudge

I'm not sure where this recipe came from, but I've had it in my recipe collection for a while. It sounds like it would be a good sweet treat. NOTE: Cooking time is estimated.

• Ready In: 15 mins
• Yields: 64 1" pieces

Ingredients

• 2  ounces  unsweetened baking chocolate, chopped up (to melt faster)
• 1  cup evaporated milk
• 2  cups sugar
• 1⁄4 teaspoon salt
• 1  tablespoon butter
• 24  marshmallows, quartered
• 3  cups graham cracker crumbs (make sure they are "fine")
• 1  cup walnuts, roughly chopped
• 1  teaspoon vanilla

Directions

1. Grease a 8" x 8" pan. Over "low" heat, combine chocolate and evaporated milk until chocolate melts (stir occasionally).
2. Add sugar and salt. Cook to a "soft ball stage", 240* on a candy thermometer.
3. Remove from heat and add the butter.
4. Cool slightly, then add the marshmallows, graham cracker crumbs, nuts and vanilla mixing well.
5. Press into prepared pan. Refrigerate overnight, then cut into 1" pieces.