Bars

Vegetable shortening, for greasing

¾ cup salted butter, softened

1½ cups packed brown sugar

1½ teaspoons baking powder

¼ teaspoon baking soda

2 large eggs

2 tablespoons molasses

2 teaspoons ground cinnamon

2 teaspoons ground ginger

2 teaspoons ground nutmeg

1½ teaspoons ground allspice

1 teaspoon pure vanilla extract

2 cups all-purpose flour

½ cup sweetened flaked coconut

¾ cup halved small gumdrops

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Icing

½ cup salted butter, softened

2 cups powdered sugar

3 tablespoons heavy whipping cream

1½ teaspoons pure vanilla extract