Vegan Sausage Gumbo

Name: Vegan Sausage Gumbo
Ingredients: * ¼ cup vegetable oil divided; * 1 pound fresh or frozen okra sliced; * 1 package vegan sausages sliced (try Tofurky or Field Roast Italian sausages); * 3 tablespoons all-purpose flour; * 1 large onion chopped; * 2 cloves fresh garlic chopped; * 1 teaspoon red pepper flakes; * 1 teaspoon thyme; * 1 teaspoon oregano; * ½ teaspoon ground cumin; * 1 cup celery chopped; * 1 large green pepper chopped; * 4 cups vegetable stock; * 1 16-ounce can diced tomatoes; * 1 16-ounce can black beans; * 1 teaspoon salt or more to taste; * 2 tablespoons Tabasco sauce to taste optional