Heat olive oil in a large pot over medium heat. Add onions and garlic and sauté until soft. Add carrots, beets, potatoes, and turnip and sauté for 10-15 minutes until vegetables start to soften. Add broth and bring to a boil; reduce heat and simmer for 15 minutes. Stir in lemon juice, dill and salt or Herbamare. Serve topped with Cashew Sour Cream.