Preheat the oven to 375 °F. Lightly spray a 13×9-inch baking dish with nonstick spray.
In a large bowl, whisk together the canned pumpkin and brown sugar.
Whisk in the egg and egg white.
Whisk in the vanilla extract, baking powder, cinnamon, ginger, nutmeg, allspice, clove and salt
Stir in the milk
StirBake for about 45 minutes. It's done when the edges start turning golden-brown and a knife or skewer inserted into the middle of the oatmeal comes out clean. in the oats
Pour the entire thing into the prepared baking dish.
Mix together the Neufchâtel cheese, sugar, milk and lemon juice. Evenly drizzle over the top of the oatmeal (I used a butter knife to spread it around)
Bake for about 45 minutes. It's done when the edges start turning golden-brown and a knife or skewer inserted into the middle of the oatmeal comes out clean.