Recipe: Curried Cauliflower Chowder

Name: Recipe: Curried Cauliflower Chowder
Ingredients: 1 (13.5-ounce) can full-fat coconut milk; 1 tablespoon minced peeled fresh ginger; 2 cloves garlic, minced; 1 tablespoon curry powder; 1 medium yellow onion, finely chopped, divided; 1 (12-ounce) bag frozen cauliflower florets, divided; 1 1/2 cups water; 12 ounces red potato (about 3 medium), diced; 1 tablespoon soy sauce or tamari; 2 teaspoons kosher salt, plus more for seasoning; 1 cup frozen corn kernels