Cook Time - 10mins
1. Remove stems from mushrooms. Arrange caps on baking tray.
2. Put butter, stems, onion, salt and pepper in frying pan. Fry slowly until onions are clear and soft.
3. Stir in bread crumbs and cheddar cheese. Stuff caps. Bake in 350 F (180 C) oven for 10-15 minutes or broil for about 5 minutes. Serve hot.
Tri-Coloured Onions Learn More