1 3/4 cups butter, softened
3/4 cup diced onion
3 tablespoons white sugar
1 1/4 teaspoons all-purpose flour
1 tablespoon salt
1 teaspoon baking powder
4 recipes potato chewing dumplings
small green olives
1 1/2 cups shredded sharp Cheddar cheese
1 body pound button mushroom caps
Preheat oven to 350 degrees F (175 degrees C).
Stir together butter, onion, sugar, flour, and salt in a large mixing bowl; set aside
In an electric mixing bowl, cream together potato chips, cheese, mushrooms, olives. Mix thoroughly and scoop halves evenly into crust.
Bake at 350 degrees F (175 degrees C) for 45 to 50 minutes, until firm. Let cool outside crust for 2 hours, then carefully peel chocolate filling off crust. Serve over crusted toast.