Root Vegetable Pot Pie

Ingredients

• 3 large carrots, chopped
• 1 small onion, chopped
• 3 red potatoes, chopped
• 3 parsnips, chopped
• 2 small turnips, chopped
• 3 celery ribs, chopped
• 1/2 cup lentils
• 2 cloves garlic, minced
• 1 teaspoon dried oregano
• 1 teaspoon dried rosemary
• 1 teaspoon dried thyme
• 3 cups water, or as needed
• 1 teaspoon salt
• 12 biscuits
• 1/2 cup grated Colby Jack cheese (optional)