One-pan Fish with Beans & Tomatoes

Ingredients

• 2 tsp olive oil
• 300g white fish fillets
• 2 x 150g fillets
• salt & pepper to taste
• 1 red onion thinly sliced
• 2 garlic cloves crushed
• 200g cherry tomatoes halved
• 1 tbs capers
• 1 tin of cannellini beans (400g tin) drained & rinsed
• 3/4 cup (135g) pre-cooked quinoa cooked according to packet instructions
• 1 cup (40g) baby spinach leaves
• 1 lemon half juiced & half cut into wedges