Fresh summery salad ingredients, plump grains, plus plenty of aromatic parsley, mint and lemon combine to make this zesty lunchtime treat both refreshing and surprisingly filling. Perfect in salads, quinoa provides whole-grain, high-fibre goodness to a meal. Quinoa has the highest protein content of all grains and contains all nine essential amino acids, making it a great choice for vegetarians. Here's how to combine these flavours for an amazing mixed grain salad.