Red Wine Beef Stew with Potatoes and Green Beans

Name: Red Wine Beef Stew with Potatoes and Green Beans
Ingredients: 2 pounds beef chuck for stew, cut into 1-inch cubes; Kosher salt and freshly ground black pepper; 3 tablespoons butter; 4 medium carrots, peeled, halved and cut into 1-inch chunks; 3 small onions, diced; 2 tablespoons all-purpose flour; 2 (14 1/2-ounce) cans reduced-sodium beef or chicken broth; 2 cups dry red wine; 1 cup canned crushed tomatoes; 3 sprigs fresh rosemary; 2 medium russet or Yukon gold potatoes, peeled and cut into 1-inch chunks; 2 handfuls green beans, ends trimmed