Shepherds Pie with Sweet Potato and Celeriac Mash
Prep time: 
Cook time: 
Total time: 
Serves: 8
  • 1 large(750 grams) sweet potato
  • ½ cup uncooked brown or puy lentils (or 400 gram tin lentils, drained and rinsed)
  • 1 tablespoon extra virgin olive oil
  • 1 large brown onion
  • 500 grams turkey, chicken or beef mince
  • 2 cloves garlic, crushed
  • 2 large flat (120 grams) mushrooms, diced
  • 3 medium carrots (330 grams), grated
  • 400 gram tin diced tomatoes
  • 2 tablespoons Worcestershire sauce
  • 2 tablespoons tamari or light soy sauce
  • 2 tablespoons tomato sauce or relish
  • 2 cups vegetable or chicken stock
  • 1 tablespoon cornflour
  • 1 cup peas
  • ½ cup frozen spinach, or a large handful of baby spinach leaves
  • 2-3 small (700 grams unpeeled, 500 grams when peeled) celeriac
  • 1 tablespoon butter (or olive oil)
  • ⅓ cup milk
  • ¼ teaspoon salt
  • pepper, to taste
  • 50 grams tasty cheese
  1. Heat oven to 170 degrees.
  2. Place sweet potato on lined oven tray and bake in the oven for 1 hour.
  3. Meanwhile, make the pie filling: If using dry lentils, cook them in boiling water for 15-20 minutes. Drain.
  4. Heat a large sauteing pan over medium heat.
  5. When hot, add the oil and onion and cook until the onion browns, 4-5 minutes
  6. Add the mince, using a wooden spoon, break it up and cook until it starts to brown, 7-8 minutes.
  7. Add garlic and mushrooms and cook for 2-3 minutes, then add the carrots, tomatoes, rinse the tomato tin out with about ½ cup water and add that, Worcestershire sauce, tamari or soy sauce, tomato sauce, stock and lentils. Cook for 7-8 minutes.
  8. Sprinkle the cornflour over the top and mix through.
  9. Add peas and spinach and stir through. Turn heat off and set aside.
  10. Peel celeriac, cut into small cubes and boil in water for 15 minutes until soft. Drain.
  11. When the sweet potato is cooked, cut open and scoop out the middle. Do not discard the skin, see link below for what to do with it!
  12. Put cooked sweet potato, celeriac, butter or oil, milk, salt and pepper into the bowl of a food processor and puree.
  13. Turn oven up to 220 degrees.
  14. Pour shepherds pie middle into a large ceramic dish or scoop into individual ramekins.
  15. Top with sweet potato and celeriac puree.
  16. Grate cheese on top and bake for 20 minutes, until cheese has melted and browned.
  17. Serve with a green salad or steamed greens.
Recipe by Healthy Home Cafe at