Basic beef casserole | Fast Ed

Ingredients

• 800g gravy beef, diced
• 2 Tbsp extra virgin olive oil
• 1 brown onion, finely diced
• 2 sticks celery, finely sliced
• 2 carrots, peeled and sliced
• 4 cloves garlic, minced
• 1 Tbsp dried Italian herbs
• 1L beef stock
• salt flakes and freshly-milled black pepper
• 2 Tbsp unsalted butter, softened
• ¼ cup plain flour
• rice, to serve