Fudge Balls

1/2 cup butter
1 1/2 squares (1 1/2 oz) unsweetened chocolate
3/4 cup sugar
1 egg
1/2 tsp. vanilla
1/4 tsp. salt
2 cups flour
confectioners' sugar

Melt butter with chocolate in saucepan over low heat; cool. Add sugar, egg, vanilla and salt; mix thoroughly. Stir in flour. Shape into balls, using a teaspoonful for each. Place on ungreased baking sheet. Bake at 375 degrees for 8 to 10 minutes. While warm, roll in confectioners' sugar.