Preheat the oven to 200C (400F / gas mark 6).

Rinse the quinoa and cook in water or stock according to packet instructions, about 15 minutes, until fluffy.

Meanwhile, season the salmon and bake for 15-18 minutes until cooked through and flaking easily.

Wilt the spinach in a dry pan for 2 minutes.

Fluff the cooked quinoa with a fork and stir through the olive oil and wilted spinach.

Serve the salmon on top of the quinoa and spinach with a squeeze of lemon.