Pre-heat the oven to 180°C/350°F/160°C fan forced. Line a large baking tray with baking paper.
Add the wholemeal and white self raising flour to a bowl and mix well.
Add the yogurt to the flour and mix well. You may need to switch to your hands at some point and continue to roll the dough in the bowl until all the flour is mixed in.
Lightly flour the bench and lightly kneed the dough for a couple of minutes until its smooth.
Pick up the dough and lightly flour the board again. Roll the dough out with a rolling pin until its about 30 by 15cm rectangle.
Put the vegemite onto a microwave proof plate and microwave for five to ten seconds to soften it. Spread the vegemite out all over the dough.
Sprinkle with ¾ cup of cheese. Roll the dough up from the long edge.
Use a sharp knife to cut the dough into about eight pieces.
Put onto the baking tray, swirl side up. Sprinkle with remaining cheese.
Bake for 18 - 20 minutes or until golden brown around the edges and cheese is melted. Pop onto a plate or cool and put into lunch boxes. Delicious!