Root Vegetable Bisque

1 large or 2 small sweet potato, peeled and chopped into cubes
3 carrots, peeled and chopped
1 onion, peeled and quartered
1 small bulb fennel (optional)
2-3 cloves garlic, crushed
1 tsp cumin and/or turmeric to taste
Himalayan sea salt
1 Tbsp EVOO
2 – 3 cups filtered water or vegetable stock
1 inch chunk of ginger – chopped or grated
1/2 cup cooked red lentils (optional) – good idea for vegetarians

Garnish:
walnuts
pumpkin seeds
plain yogurt