Vegetarian Mushroom Stew

Name: Vegetarian Mushroom Stew
Prep time: 10 min
Cook time: 55 min
Total time: 1 h 5 min
Cuisine: American
Ingredients: 2 pounds mixed fresh mushrooms, such as white button, cremini, or wild mushrooms; 2 tablespoons olive oil, plus more for serving; 3 teaspoons kosher salt, divided; 1 medium yellow onion; 3 cloves garlic; 1 small bunch fresh parsley; 3 to 4 sprigs fresh oregano; 2 ounces curly or dinosaur kale (from about 4 stalks); 1 (about 15-ounce) can chickpeas; 1/2 teaspoon red pepper flakes, plus more for serving; 1/4 teaspoon dried thyme or Italian seasoning; 1/4 teaspoon freshly ground black pepper; 1 cup water, divided; 1 (28-ounce) can crushed tomatoes; 1 (about 13-ounce) can full-fat coconut milk; 1 teaspoon red wine vinegar, plus more as neede; Serving options: crusty bread, cooked polenta, or mashed potatoes