• 3 ( 1 ounce) squares unsweetened chocolate
• 3 tbs. butter
• 1/3 cup  mashed, unseasoned Colorado potatoes
• 1/8 tsp. salt
• 1 tsp. vanilla
• 1 pound powered sugar, sifted
• 1/2 cup chopped nuts

Melt chocolate and butter in top of double boiler. Remove from heat. Add potatoes, salt and vanilla. Mix well. Blend in sugar and mix thoroughly. Add nuts and knead until smooth. Press into buttered 8-inch square pan. Cool in refrigerator before cutting.