Buttermilk Spice Muffins

• 2 eggs
• 1 vanila
• 1/2 stick butter (unsalted)
• 325 gr all purpose flour
• 240 ml buttermilk
• 100 gr sugar
• 14 gr sugar topping
• 9 gr baking powder
• 2 gr baking soda
• 1 gr cinnamon (ground)