Pour milk (lukewarm) into a mixing bowl and crumble in the yeast.
Add flour, salt and sugar.
Mix the dough gently. This goes best with a food processor.
Add eggs and mix the dough again.
Add butter in small portions and continue stirring until an elastic dough is formed.
Use a dough scraper to position the dough in the center of the bowl.
Cover the dough and let it rest in a warm place for about 1.5 hours until it has doubled in volume.
Carefully work the sugar into the dough with your hands. The dough should only be kneaded briefly and lightly.
Be aware: The dough is pretty sticky. That's perfectly allright.
Divide the dough into approx. 15 portions with your hands and let it rest on baking paper for approx. 20 minutes.
Bake the dough portions one after the other in the preheated waffle iron for a few minutes until the waffles are golden brown and crispy.
Garnish with toppings as desired (e.g. powdered sugar, cream, chocolate sauce, chopped fruit, etc.)