Beef & Brie Portobello Mushroom Caps | Community Recipes | Nigella's Recipes | Nigella Lawson

Ingredients

• ½ kilogram minced beef (extra lean)
• 1 large onion (yellow, finely diced)
• 1 tablespoon butter (unsalted kosher)
• 1 salt
• 1 freshly ground pepper
• 1 tablespoon extra virgin olive oil
• 4 portobello mushrooms (stems/gills removed)
• 1 tablespoon oregano (finely chopped)
• 1 tablespoon thyme (chopped)
• 1 handful fresh flatleaf parsley (finely chopped)
• 5 cloves garlic
• 400 grams fire roasted tomatoes
• 1 tablespoon pinzimonio
• ¼ kilogram brie cheese ( rind removed and diced)
• 1 egg white
• 250 millilitres panko breadcrumbs
• 60 millilitres parmigiano reggiano cheese (grated)