Crustless Custard Pie

1 3/4 Cup of Sugar.

1/2 Cup of Self-Rising Flour.

4 Eggs.

1 Teaspoon of Vanilla.

(Optional) 1/4 Teaspoon of Coconut Extract or Lemon Extract.

2 Cups of Milk.

1/2 Stick (4 Tablespoons) of Unsalted Butter, Melted.

Deep Dish 9" or 10" Pie Plate.