Sausage & Mushroom Shepherd’s Pie – A Thanksgiving Leftovers Dinner

Erin from $5 Dinners serves up Thanksgiving leftover inspiration with her recipe for Sausage and Mushroom Shepherd’s Pie.

Sausage Mushroom Shepherd's Pie
I’d love to let you in on a little secret. I’m not a huge turkey fan. It’s nothing personal, I’ve cooked them a dozen different ways, with a dozen different flavor combinations, but I still can’t bring myself to like turkey.

So when it comes time for Thanksgiving leftovers, I’m always looking to get creative with the sides and fixings. I’ll fix something with leftover turkey for my husband or my kids, but I’ll also fix something unique for myself. Leftover mushrooms blend perfectly with sausage and the remaining mashed potatoes serve as the perfect finish for a spin on Shepherd’s Pie.

This holiday, when the day after Thanksgiving hits and you’re looking for a non-turkey leftover alternative, and you have extra mushrooms that didn’t make it into the stuffing, here’s a delicious Thanksgiving leftovers twist.

Sausage & Mushroom Shepherd’s Pie


  • 1 pound Italian pork sausage, browned
  • 1 medium white onion, chopped
  • 8 oz. sliced baby bella mushrooms
  • Pepper
  • Approximately 4 cups leftover mashed potatoes
  • 2 cups shredded mozzarella cheese


  1. Preheat oven to 350. Lightly grease a 9×13 inch glass baking dish with non-stick cooking spray.
  2. In a medium skillet, brown the sausage with the chopped onions. When the sausage is about “halfway browned,” or partially cooked through, add the mushrooms to the skillet and toss with the sausage while it finishes browning.
  3. Once the sausage is browned and the mushrooms are tender, transfer the mixture to the glass baking dish. Top with the leftover mashed potatoes and then sprinkle the shredded cheese on top.
  4. Bake in the preheated oven for 20-25 minutes, or until cheese has melted and potatoes have warmed through.
  5. Serve Sausage & Mushroom Shepherd’s Pie following your Thanksgiving meal.


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2 Comments to “Sausage & Mushroom Shepherd’s Pie – A Thanksgiving Leftovers Dinner”

  1. Nancy says:

    May I ask if the cheese gets hard or burns in this recipe? Otherwise it does sound very good to me.

    Thank you,

  2. MushroomChannel says:

    Hi Nancy – The cheese should not burn as long as it’s not cooked too long beyond the melting stage! Great question! Thanks!