Homemade Oatmeal Creme Pies

INGREDIENTS

and 1/4 cups unsalted butter (2.5 sticks; 290g), softened to room temperature

1 cup

packed dark brown sugar

1/2 cup

granulated sugar

large egg, at room temperature

2 tsp

pure vanilla extract

1 tbsp

dark molasses

and 1/2 cups (187g) all-purpose flour (spoon & leveled)

1 tsp

baking soda

1/2 tsp

salt

3/4 tsp

ground cinnamon

1/4 tsp

ground cloves

3 cups

quick oats (not whole oats)

3/4 cup

(1.5 sticks; 175g) unsalted butter, softened to room temperature

3 cups

confectioners' sugar

3 tbsp

heavy cream

and 1/2 teaspoons pure vanilla extract

salt, as needed