Preheat oven to 350 degrees. Spray 8-inch square baking dish with nonstick cooking spray
Spread oats on ungreased baking sheet. Bae about 10 minutes or until fragrant and lightly browned, stirring occasionally. Pour into medium bowl; let cool slightly
Whisk milk, pumpkin, eggs, brown sugar and vanilla in large bowl until well blended. Add 1/2 cup cranberries, pumpkin pie spice, salt and baking powder to oats; mix well. Add oat mixture to pumpkin mixture; stir until well blended. Pour into prepared baking dish.
Bake about 45 minutes or until top is set and knife inserted into center comes out almost clean. Serve warm with maple syrup, additional cranberries and pecans, if desired. Store leftovers in the refrigerator. Reheat individual servings in the microwave.