1.- Preheat Oven to 180 degrees C and grease 12 muffin cups or use muffin papers.

2.- Mix all the dry ingredients into a large bowl.

3.- Add softened butter by hand until you have a bread-crumb consistency.

4.- In a separate bowl whisk eggs, buttermilk and herbs before folding the cheeses and cooled sauted onions.

5.- Fold this wet mixture into the dry ingredients.

6.- Spoon this mix into muffin cups and bake for 35 - 40 minutes or until a toothpick comes out clean.

7.- Cool on wire rack and serve them warm.