Mocha Frosted Drops

Ingredients

• 1/2 cup shortening
• 2 ounces unsweetened chocolate squares
• 1 cup brown sugar
• 1 egg
• 1 teaspoon vanilla
• 1/2 cup buttermilk
• 1 1/2 cups flour
• 1/2 teaspoon baking powder
• 1/2 teaspoon baking soda
• 1/4 teaspoon salt
• 1/2 cup walnuts
• 1 (6 ounce) package semi-sweet chocolate chips (1 cup)
• Frosting
• 1/4 cup butter
• 2 tablespoons cocoa
• 2 teaspoons instant coffee
• 1 dash salt
• 2 1/2 cups confectioners' sugar
• 1 1/2 teaspoons vanilla
• milk
• walnut halves (optional)