Mediterranean Pot Roast Dinner

Ingredients

• 2 pounds potatoes (about 6 medium), peeled and cut into 2-inch pieces
• 5 medium carrots (about 3/4 pound), cut into 1-inch pieces
• 2 tablespoons all-purpose flour
• 1 boneless beef chuck roast (3 to 4 pounds)
• 1 tablespoon olive oil
• 8 large fresh mushrooms, quartered
• 2 celery ribs, chopped
• 1 medium onion, thinly sliced
• 1/4 cup sliced Greek olives
• 1/2 cup minced fresh parsley, divided
• 1 can (14-1/2 ounces) fire-roasted diced tomatoes, undrained
• 1 tablespoon minced fresh oregano or 1 teaspoon dried oregano
• 1 tablespoon lemon juice
• 2 teaspoons minced fresh rosemary or 1/2 teaspoon dried rosemary, crushed
• 2 garlic cloves, minced
• 3/4 teaspoon salt
• 1/4 teaspoon pepper
• 1/4 teaspoon crushed red pepper flakes, optional