Prepare Cinnamon Filling by combining melted butter, brown sugar, and ground cinnamon in a medium bowl, then let thicken.

Make Pancake Batter by whisking flour, baking powder, and salt in one bowl, then mix milk, vegetable oil, and beaten egg in another.

Make Glaze by combining cream cheese and melted butter in a microwave-safe bowl, heating until warm and whisking smooth, then mixing in powdered sugar and vanilla.

Cook Pancakes by pouring batter onto a skillet, piping cinnamon filling on top, flipping once bubbles form, and cooking until golden brown.

Serve by stacking pancakes and drizzling cream cheese glaze over the top, optionally dusting with powdered sugar or nuts.