Cheesy Root Vegetable Tian | The Leaf

Ingredients

• 4 tsp. olive oil
• 1 large white onion, chopped
• 2 cloves garlic, minced
• 1 cup sweet potato, sliced ¼ inch thick
• 2 cups parsnip, sliced ¼ inch thick
• 3 cups beets, sliced ¼ inch thick
• 2 cups tomato, sliced ¼ inch thick
• ½ tsp. dried thyme
• ½ tsp. dried rosemary
• 1/8 tsp. black pepper
• 1 cup Parmesan cheese, low sodium, grated