3 squares unsweetened chocolate
1/8 teaspoon salt
3 tablespoons butter
1 teaspoon vanilla
1/3 cup mashed potatoes
1 pound sifted confectioner’s sugar
Melt chocolate with butter over low heat. Add mashed potatoes, salt and vanilla. Mix well. Add sugar. Knead until smooth. Press into buttered 8-inch square pan. Cool and cut into squares.