Breakfast muffins

Ingredients (for 12 muffins)
145gms softened butter
180gms ham
125gms cheddar
1 tbsp olive of oil 
375gms plain/pastry flour
2 tsp baking powder
salt 
2 eggs
250ml milk
1 tsb Dijon mustard

Preheat the oven to 180^oC/356^oF.

Melt the butter, cut the ham into small cubes, grater the cheese. In a large bowl pour the flour, baking powder, salt, ham and cheese. Beet the eggs with milk and mustard. Pour it into the bowl together with the melted butter and mix quickly with a spoon. The dough should be lumpy. Fill the molds and bake 20-25 minutes. Remove from the oven and  leave in molds for the next 10 minutes, then gently take out and cool down.