Paula's Loaded Oatmeal Cookies

• 1/4 cup (1/2 stick) butter, softened
• 1/4 cup vegetable shortening
• 3/4 cup packed light brown sugar
• 1 egg
• 3/4 cups all-purpose flour
• 1/2 teaspoon baking soda
• 1/4 teaspoon salt
• 1/2 teaspoon baking powder
• 1/2 teaspoon ground ginger
• 1/2 teaspoon freshly ground nutmeg
• 1/2 teaspoon ground cinnamon
• 1/8 teaspoon ground cloves
• 1/4 teaspoon ground allspice
• 1 cup quick-cooking oatmeal
• 1/2 cup raisins
• 3/4 cup chopped walnuts
• 1/2 teaspoon pure vanilla extract
• Brown Butter Icing, recipe follows

Brown Butter Icing:

• 1/4 cup (1/2 stick) butter
• 1 1/2 cups sifted powdered sugar
• 1/2 teaspoon vanilla extract