Cook pie according to package instructions, if using leftovers, warm the pie up.

Preheat the waffle iron.

Sift together flour, baking powder, and salt in a medium bowl and set aside.

In a second bowl, beat together the egg yolks and sugar until sugar is completely dissolved and eggs have turned a pale yellow.

Add the vanilla extract, melted butter, and milk to the egg and sugar mixture and whisk until combine.

Combine the mixed wet ingredients with the dry ingredients and whisk just until blended. Do not over mix.

In third bowl, beat the egg whites with an electric mixer until soft peaks form, about 2 to 3 minutes.

Using a rubber spatula to fold the egg whites into the batter. Do not overmix!

Coat the waffle iron with non-stick cooking spray and pour enough batter in iron to just cover waffle grid.

Close and cook as per manufacturer's instructions until golden brown, about 2 to 5 minutes.

Top with a slice of the Marie Callender's® Dessert Pie, a scoop of ice cream, and Reddi-Wip and serve immediately.