Heat oven to 350 generously gease 13x9" baking pan .
Melt butter in a large saucepan over low heat, stir in cocoa until smooth. Remove from heat, add sugar, 3 eggs, 1 1/2 cups flour and almonds. mix well, pour into prepared pan, bake for 20 minutes.
Meamwhile, whisk together remaining 1 egg, and 1/3 cup of flour, sweetened condensed milk and almond extract. Pour over baked layer, sprinkle chocolate pieces and cherries over the top. Return to oven.
Bake addnitional 20-25 minutes or until set and edges are golden brown. Cool completely in pan on wire rack. Refrigerate until cool, about 6 hours or ove night. Cut into bars. Cover and refrigerate leftover bars.