01 - Combine milk, water, cinnamon, ginger, cardamom, cloves, and black pepper in a medium saucepan. Bring to a gentle simmer over medium heat.
02 - Add rolled oats and dried cranberries to the simmering liquid. Reduce heat to low and cook, stirring occasionally, until oats are tender and creamy, about 5 to 7 minutes.
03 - Stir in maple syrup or honey, then adjust the sweetness to your preference.
04 - Divide the oatmeal into bowls and garnish with Greek yogurt, chopped walnuts, extra cranberries, and a sprinkle of cinnamon if desired.