Oreo Cookies and Cream Donuts

For the Chocolate Donuts:

• 1 cup all purpose flour
• 1/2 cup light brown sugar, packed
• 1/2 teaspoon salt
• 1/4 cup cocoa powder, sifted
• 1 teaspoon baking powder
• 1/2 teaspoon vanilla extract
• 1 large egg, at room temperature
• 2 1/2 tablespoons unsalted butter, melted
• 1/2 cup milk (almond, skim, whole, reduced fat, or soy will all work)

For the Cream Cheese Frosting:

• 4 ounces cream cheese, very soft
• 2 tablespoons unsalted butter, very soft
• 1/4 teaspoon vanilla extract
• 1 and 1/2 cups confectioners' sugar, sifted, more as needed
• 1-2 tablespoons milk (almond, skim, whole, reduced fat, or soy will all work)
• 1 cup Oreo cookies, chopped, for decorating