Black Bean Sweet Potato Chili With Quinoa

Name: Black Bean Sweet Potato Chili With Quinoa
Ingredients: 1 tablespoon olive oil; 1 onion, chopped; 5 cloves garlic, minced; 2-3 teaspoons chili powder; 1 1/2 teaspoon ground coriander; 1 14.5 ounce can chopped tomatoes; 1/2 pound black beans, soaked overnight; 1 chipotle chile from canned chipotle chiles in adobo, minced; 1 teaspoon dried Mexican oregano (or regular); 1 1/2 teaspoon kosher salt, or more to taste; 1 1/2 cup sweet potatoes (1 medium), cut into ½-inch cubes; 1/4 cup quinoa, rinsed and drained; 3 cups water; sour cream or greek yogurt for garnish; chopped fresh cilantro for garnish