Cranberry White Chocolate Oatmeal Cookies with Sour Cream Frosting Served with Iced Chai

Name: Cranberry White Chocolate Oatmeal Cookies with Sour Cream Frosting Served with Iced Chai
Ingredients: 2 cup unsalted butter, softened to room temperature; 2 cup light brown sugar; 1/2 cup granulated sugar; 4 large eggs, room temperature; 2 Tablespoon pure vanilla extract; 2 Tablespoon molasses; 3 cups all-purpose flour; 2 teaspoon baking soda; 2 teaspoons ground cardamon; 1 teaspoon salt; 6 cups old-fashioned whole rolled oats*; 2 cup dried cranberry; 1 cup white chocolate chips; Sour Cream Frosting:; 2 cup room temperature unsalted butter; 5 cups confectioners sugar; 2 tablespoon vanilla extract; 1 cup room temperature full fat sour cream; 6 tablespoons loose leaf black tea; 2 tablespoon ginger; 10 whole green cardamom pods; 6 whole cloves; 2 clove star anise; 2 teaspoon whole black peppercorns; 2 cup of heavy cream; 2 tablespoon dark brown sugar; 6 cups of water; 6 cups of ice