Rocky Road Cake

Rocky Road Cake

1 1/2 cups all-purpose flour
1 cup white sugar
1/2 cup unsweetened cocoa powder
1 teaspoon baking soda
1/2 teaspoon salt
5 tablespoons vegetable oil
1 teaspoon vinegar
1 teaspoon vanilla extract
1 cup water

2 (1 ounce) squares unsweetened chocolate, chopped
1/4 cup margarine
1/4 cup water
1 teaspoon vanilla extract
2 cups confectioners' sugar
1 cup miniature marshmallows
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Directions

Preheat oven to 350 degrees F (175 degrees C). Sift together the flour, sugar, cocoa, baking soda and salt. Sift once more, then sift again into a 9 inch square pan.
Make a well in the center, and measure in the oil, vinegar and vanilla. Pour water over all and mix with a fork until smooth.
Bake in the preheated oven for 30 to 35 minutes, or until a toothpick inserted into the center of the cake comes out clean. Allow to cool.
To make the frosting: In a saucepan, combine chocolate, margarine and water. Cook over low heat until melted and smooth. Remove from heat and stir in vanilla and confectioners' sugar. Fold in miniature marshmallows. Spread over cake.