Old-Fashioned Iced Oatmeal Cookies

INGREDIENTS

FOR THE COOKIES:

2 cups

old-fashioned rolled oats *

2 cups

unbleached all-purpose flour

1 tbsp

baking powder

1/2 tsp

baking soda

1/2 tsp

salt

2 tsp

cinnamon

1/2 tsp

ground nutmeg

1 cup

unsalted butter, room temperature (2 sticks)

1 cup

light brown sugar, packed

1/2 cup

granulated sugar

large eggs, room temperature

1 tsp

pure vanilla extract

FOR THE ICING:

3 tbsp

heavy cream

2 tbsp

warm water

2 cups

confectioners' sugar

(you may substitute milk for the cream - start with 3 tablespoons then add more milk if needed)