- Mix the warm buttermilk with the melted butter and vanilla extract.
- Whip the eggs with sugar until the mass increases by 3-4 times.
- Sift the dry ingredients, and mix until smooth; add the butter emulsion, and mix again until smooth.
- Fill the molds for 1/3 of the volume.
- Bake the muffins at 180C (356F) for 15 to 20 minutes.