Root Vegetable Curry

Name: Root Vegetable Curry
Ingredients: 2 tablespoons coconut oil (or oil of choice); 1 yellow onion (chopped); 1-1/2 tablespoons grated fresh ginger; 1 medium-sized sweet potato (chopped into 1-inch pieces); 1 turnip (chopped into 1-inch pieces); 1 parsnip (chopped into 1-inch pieces); 1 teaspoon cumin seeds; 1 teaspoon turmeric; 1 teaspoon coriander; 2 teaspoons garlic powder; ¼ teaspoon red pepper flakes (optional); 1 teaspoon salt or to taste; 1 full-fat canned coconut milk* (full-fat); 1 Bunch fresh basil leaves (chopped)