Preheat the oven at 180 degrees Celsius.
Cut the ham in thin slices.
Mix the dry ingredients in a bowl.
In a sauce pan het up the milk and the oil to lukewarm. Add to the dry ingredients and mix.
Add the grated cheese and stir.
Crumble the blue cheese into the batter and mix well.
Pour the batter in a bread baking form.
Place in the middle of the oven for 40 minutes.
Take out the cake sale and let it cool down.