Ingredients

• 2 tablespoons olive oil
• 1 pound beef chuck, cut into 1-inch cubes
• salt and pepper to taste
• 2 large stalks celery, chopped
• 2 large carrots, chopped
• 1 large onion, chopped
• 6 cloves garlic, chopped
• 1 1/2 teaspoons dried cilantro
• 1 teaspoon dried oregano
• 2 (32 ounce) cartons chicken broth
• 1 (28 ounce) can diced tomatoes
• 2 cups dry lentils
• 1/4 cup chopped fresh parsley
• 1/2 cup grated Parmesan cheese, or to taste