Recipe: Mini Oatmeal Cream Pies

Name: Recipe: Mini Oatmeal Cream Pies
Ingredients: 1 1/2 cups rolled oats (not instant); 3/4 cup all-purpose flour; 3/4 teaspoon ground cinnamon; 1/2 teaspoon baking powder; 1/4 teaspoon fine salt; 8 tablespoons (1 stick) unsalted butter, at room temperature; 1/3 cup packed dark brown sugar; 1/4 cup granulated sugar; 1 tablespoon molasses (not blackstrap); 1 large egg; 1/2 teaspoon vanilla extract; 2/3 cup powdered sugar, sifted; 3 tablespoons unsalted butter, at room temperature; 1 tablespoon heavy cream; 1/4 teaspoon vanilla extract; Pinch fine salt