Seared steak with celery & pepper caponata - Good Food Middle East

Ingredients

• 200g extra-lean fillet steaks
• 140g fresh spinach
• 1-cal oil spray
• 1 red onion, halved and sliced
• 2 garlic cloves, cut into slivers
• 400g can chopped tomatoes
• 2 celery sticks, sliced
• 1 orange pepper, deseeded, quartered and sliced
• 25g pitted black kalamata olives, halved (about 8)
• 1 tbsp caper
• ½ tsp dried oregano or 1 tbsp fresh
• 1 tsp balsamic vinegar