Vegan Buddha Bowl with Life-Changing Dressing

3 large organic kumara (cut into bite sized cubes)
400g tin chickpeas
1 tsp cumin seeds
1/2 tsp paprika
1/2 tsp turmeric
3/4 cup brown rice
1/4 large cabbage (finely sliced)
1/2 cup parsley (roughly chopped)
1/2 cup coriander (roughly chopped)
4 dried dates (finely chopped)
Juice of 1/2 lemon
2 Tbsp toasted sesame seeds
1 avocado (cut into quarters)
Olive oil
Salt and pepper

Life-Changing Tahini Dressing
1/2 cup Forty Thieves Tahini
2 Tbsp lemon juice
6 Tbsp filtered water
1 large clove of garlic (crushed)
Salt and pepper to taste