Cream butter and sugar until light and fluffy. Add egg and almond extract; mix well. Add chocolate, flour and cinnamon; mix until blended. Form into a ball, wrap in plastic and chill 30 minutes. Heat oven to 350 degrees. Roll dough into 1-inch balls and place on a cookie sheet. Press thumb in center of each cookie and place half a cherry into depression. Bake for 15 -17 minutes. Cool. Place white chocolate into a microwave safe bowl and microwave in 10 second intervals until melted. Drizzle across each cookie. Chill 5 minutes to set.