Carols sour cream waffles

1 3/4 cup flour (i do either gluten-free mix or 5-granenmeel)
1 T sugar (i use brown)
1T baking powder
1/2 teasp salt;
8 T unsalted melted butter;
1 cup melk;
1/2 cup sour cream;
3 large eggs....
fresh fruits, jams, syrups, yoghurt, whatever you want your topping to be...