Red Lentil Soup with Chicken and Turnips

olive oil

medium yellow onion, diced

medium carrots, peeled and diced

celery stalks, diced

garlic, finely minced

salt and black pepper,

ounce-can plum tomatoes, drained and rinsed, chopped

large turnip, peeled and diced

dried red lentils, rinsed

vegetable stock

fully-cooked chicken breast, shredded (may be omitted for a vegetarian version)

flat leaf Italian parsley, chopped (plus extra for garnish)

additional toppings: diced avocado, micro greens, chopped basil)