Mushroom Shepherd's Pie with Carrot Mash
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Test Kitchen Approved Recipe

We turned what is traditionally a beef dish into a veggie lover's dream by swapping out the beef for meaty mushrooms. The mash is slightly sweet with the addition of carrots but has a nice garlic bite from our Garlic Salt. It's the ultimate winter comfort meal!

4 servings


  • For filling:

  • 2 lbs. white or cremini mushrooms, halved or quartered
  • salt & pepper
  • 2 Tbsp. cornstarch, divided
  • 3 Tbsp. vegetable oil, divided
  • 1 white onion, halved and sliced
  • 1 cup prunes, chopped
  • 4 cloves garlic, minced
  • 1 (2-inch) piece fresh ginger, peeled and grated
  • 2 Tbsp. Flat Irons Prime Rib Rub
  • 2 cups vegetable broth
  • For topping:

  • 1 1/2 lbs. Yukon Gold potatoes, peeled and diced
  • 1 lb. carrots, peeled and diced
  • 4 Tbsp. unsalted butter
  • 1/2 cup milk
  • 1 tsp. Garlic Salt
  • 1/4 tsp. fresh ground pepper

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This recipe is featured in Spice Club, Savory’s spice of the month club. Here are substitution suggestions for adapting the recipe to different palates:


For filling: Sprinkle mushrooms with salt & pepper; toss with 1 Tbsp. cornstarch. Heat 2 Tbsp. oil in a large skillet over medium-high heat. Sear mushrooms in single-layer batches until brown, 4 to 6min. per batch, and transfer to a plate. Add remaining 1 Tbsp. oil and onions to skillet and cook for 5 min. or until onions are soft. Stir in remaining ingredients. Mix remaining 1 Tbsp. cornstarch with 2 Tbsp. water to make a slurry; stir slurry into skillet. Add browned mushrooms and bring to a boil. Reduce heat and simmer, uncovered, for 20 min. or until mushrooms are tender and sauce thickens.

For topping: In a large pot, cover potatoes and carrots by 2 inches with water and bring to a boil. Boil for 15 min. or until veggies are soft enough to break apart with a fork. Drain and transfer to a mixing bowl. Add butter, milk, Garlic Salt, and pepper. Use a hand masher or electric mixer to beat until still slightly lumpy.

To serve: Preheat oven to 350 degrees. Pour filling into a 2-quart dish, or divide it between 4 large ramekins. Cover with topping. Set dish(es) on a baking sheet and bake for 20 min. or until filling is bubbling and topping just starts to brown. Cool for 10 min. before serving.

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