In a bowl mix together flour, wheat flour, salt, sugar and yeast.
Add oil and water and knead to form a soft dough.
Knead the dough on counter for 5 minutes until smooth and elastic.
Place it in a oiled bowl, coat the dough with a little oil and cover with cling wrap and set it aside for one to 1 1/2 hours or until the dough is double.
Take it on the counter, press it to form a flat disc.
Cut it into 16 equal wedges.
Shape each wedge into a ball.
Cut the cheese block into 16 evenly shaped cubes.
Flatten each ball into a disc and place a mozzarella cube inside.
Bring th edges together to seal in the cheese. Make sure to pinch it tight.
Preheat oven to 200°C.
Cover and set the rolls for 15 minutes by the time the oven is preheating.
Brush the top of the rolls with milk and sprinkle some oregano on top.
Bake the rolls for 20 minutes or until the top is brown.
Remove from oven and serve them hot.