Wash the quinoa in cold water, drain and place in a small saucepan along with the vegetable stock. Bring the stock to the boil then reduce to a simmer for 20 minutes until most of the stock has been absorbed. Remove from heat, drain excess stock and allow to stand for 10 minutes.
Whilst quinoa is cooking, prepare the rest of the ingredients.
Cook the butternut squash, broccoli and peas. Prepare each based on their cooking times until they are al-dente.
Place the wild rocket, drained quinoa, tomatoes, cucumber, broccoli, butternut squash, peas, pine nuts and sunflower seeds into a large bowl.
Toss everything together in the olive oil and serve with a good squeeze of fresh lemon.