pumpkin cookies or cake with brown butter icing

Ingredients

• 2 3/4 cup all purpose flour
• 1 teaspoon baking powder
• 1 teaspoon baking soda
• 1 1/4 kosher salt
• 1 1/2 teaspoon ground cinnamon
• 1 1/4 teaspoons ground ginger
• 3/4 teaspoon freshly grated nutmeg
• 1 1/2 sticks (3/4 cups) butter – room temp
• 2 1/4 cups packed light brown sugar
• 2 large eggs
• 1 1/2 cups canned pumpkin (14 oz)
• 3/4 cup evaporated milk
• 2 teaspoons vanilla extract
• 2 cups confectioners’ sugar
• 5 tablespoons unsalted butter
• 1/8 cup plus a few teaspoons evaporated milk
• pinch kosher salt