01 - Add rolled oats, milk, Greek yogurt, and grated carrot to a medium mixing bowl or mason jar.
02 - Mix in maple syrup or honey, cinnamon, nutmeg, vanilla extract, and a pinch of salt until blended.
03 - Fold in raisins, chopped walnuts or pecans, and shredded coconut if using.
04 - Cover and refrigerate for 6 to 8 hours or overnight so oats fully soften.
05 - In the morning, stir oats thoroughly and add an extra splash of milk if a thinner texture is preferred.
06 - Portion into bowls or serve directly, garnishing with additional chopped nuts, coconut, or a light drizzle of maple syrup if desired.