Preheat your waffle maker according to the manufacturer's instructions.

In a mixing bowl, whisk together sweet rice flour, sugar, baking powder, and salt.

In another bowl, whisk together milk, egg, and melted butter.

Pour the wet mixture into the dry ingredients and stir gently until just combined.

Lightly grease the waffle maker if necessary and pour an appropriate amount of batter onto the center.

Close the waffle maker and cook according to the manufacturer's instructions, usually about 5-7 minutes.

Carefully remove the wagfle once cooked and repeat with the remaining batter.

Serve warm with your favorite toppings.