Corn Chowder vegan

Name: Corn Chowder ( vegan )
Ingredients: 2 quarts vegetable stock; 4 waxy white potatoes; 4 large cloves garlic; 1 large yellow onion; 1 cups coconut milk; 2 lbs. frozen corn; 1 handful fresh thyme leaves; 2 tablespoons extra virgin olive oil; 1 teaspoon cumin; 1 tablespoon Sriracha hot sauce; 1 teaspoon turmeric; 3 tablespoons flour; Salt; pepper; Fresh flat-leaf parsley (for garnish)