In a large mixing bowl, whisk together the flour, baking powder, salt, and sugar.

Create a well in the center of the dry mixture and add the egg, melted butter, vanilla extract, and whole milk. Whisk until smooth.

Divide the batter evenly into six bowls and add gel food coloring to each. Stir gently to combine.

Preheat a non-stick skillet over low heat, adding a dab of butter to coat the surface.

Pour a small amount of each colored batter onto the skillet in rainbow order and cook for 2-3 minutes until bubbles form.

Flip the pancakes and cook for another 1-2 minutes until golden brown and fluffy.

Stack the pancakes in rainbow order and serve with whipped cream and gold sprinkles.