Combine flour, sugar, and salt in a mixing bowl.

Whisk milk and eggs in a separate bowl.

Gradually add the wet ingredients to the dry ingredients, mixing until just combined.

Let the batter rest for 30 minutes.

Melt the butter and add it to the batter.

Preheat a waffle iron according to the manufacturer's instructions.

Pour the batter onto the hot waffle iron.

Cook each waffle for approximately 2 minutes, or until golden brown.

Serve immediately with creme fraiche or sour cream and/or strawberry or raspberry preserves, or just dust with powdered sugar.