Heat the oil and fry the mince and onion until well browned.
Add the peppers and fry for 2 minutes.
Pour in KNORR Spaghetti Bolognaise Dry Cook-in-Sauce, beans, Worcestershire sauce, thyme, marjoram, sugar and seasonings.
Bring to the boil and pour into a casserole dish.
Cover and bake at 180°C for 20 mins.
While waiting, make the topping by sifting the self raising flour and rubbing it into the margarine and stirring in the cheese.
Blend the egg with water and Worcestershire sauce, add to flour mixture and using a knife, stir to form a soft dough.
Roll dough to 1cm thickness and cut into circles using a scone cutter.
Brush the top with a little milk and arrange around the edge of the casserole dish and bake uncovered for 35 minutes until golden brown.