Preheat the oven to 425 degrees.
Add milk, eggs and vanilla into to blender.
Add the dry ingredients into the blender.
Blend at medium until the mixture is well blended.
Melt the butter in microwave until melted.
Spray the 9 x 13 pan with Pam Cooking Spray.
Pour in the melted butter and coat the bottom of the dish.
Pour batter into the 9 x 13 pan.
Bake for 18-20 minutes until golden around the edges and the top begins to slightly brown.
Serve with powdered sugar and fresh fruits or maple syrup.