For the butter-free recipe, you will need 2 eggs, 70 g sugar, 1 packet of vanilla sugar, a pinch of salt, 150 ml vegetable oil, 250 g flour, 2 tsp baking powder, and 200 ml milk. To protect against burns, the Petromax reversible waffle iron features long wooden handles and a locking mechanism that prevents the cast iron mold from opening unintentionally.