Stew with Irish Beef, white beans, yellow pepper, spinach, and spring onion - Irish Beef

Ingredients

• 600 g stewing beef such as blade steak (Irish beef), at room temperature
• 3 tbsp olive oil
• 2 onions, chopped
• 2 celery stalks, sliced
• 2 yellow peppers
• 2 sprigs of oregano
• 1 can of white giant beans (400 g), drained
• 400 g of spinach
• 2 spring onions
• Casserole dish
• Ingredients
• Method