Beef Stew in Tomato Sauce (Estofado de Res)

Name: Beef Stew in Tomato Sauce (Estofado de Res)
Cuisine: European, Portuguese
Ingredients: 2 pounds boneless stew beef, cut into 2” x 2” cubes; 2 tablespoons vegetable oil; 2 tablespoons all purpose flour; 1 garlic clove, minced; 1 cup chopped white onion; 2 large carrots, slice crosswise; ½ teaspoon salt; 4 cups beef stock; 1 bay leaf; 1 cup tomato sauce; ¼ teaspoon cumin powder; 2 large potatoes, peeled and cut into small chunks