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4.7 from 75 votes

Portobello Shepherd's Pie

This fast and fresh vegetarian Shepherd’s Pie made with Portobello mushroom, carrots, peas, corn, and onions, all topped with leftover mashed potatoes.

Prep Time
10 mins
Cook Time
10 mins
Total Time
50 mins
Servings: 6 servings
Calories: 313 kcal
Course: Dinner
Cuisine: American

Ingredients

  • For potatoes:
  • Skinny Garlic Mashed Potatoes or roughly 4 cups leftover mashed potatoes
  • 1 ounce freshly grated Parmesan cheese
  • For vegetables:
  • 1 tablespoon butter
  • 1 tablespoon olive oil
  • 1 ½ pounds Portobella mushrooms (cut into 1-inch cubes)
  • 1 ¼ teaspoon kosher salt (divided)
  • 1 medium onion (diced)
  • 7 ounces 3 medium carrots, peeled and diced
  • ¼ cup chopped fresh parsley (plus more for garnish)
  • 2 tablespoons chopped fresh thyme or rosemary
  • 2 cloves garlic (minced)
  • 1 tablespoon tomato paste
  • 2 teaspoons Worcestershire sauce 
  • freshly ground black pepper (to taste)
  • 2 tablespoons all-purpose or gluten-free flour
  • 1 ½ cups low sodium vegetable or chicken broth
  • 1 cup frozen green peas
  • 1 cup frozen corn kernels

Instructions

    Cup of Yum
  1. Prepare Skinny Garlic Mashed Potatoes according to directions.
  2. For the Vegetarian Shepherd's Pie: In a large sauté pan, heat the butter and oil.  Add the mushrooms and ½ teaspoon salt, cook for 10 minutes, stirring occasionally.
  3. Add the onion, carrots, parsley, thyme, ½ teaspoon salt and pepper and sauté 10 minutes.
  4. Stir in garlic, cook for 30 seconds, then add the tomato paste, Worcestershire, remaining ¼ teaspoon salt and pepper.
  5. Sprinkle vegetables with the flour, stir to coat and cook, scraping brown bits from the pan, 3-4 minutes.
  6. Add the broth, peas and corn, cook, stirring often, until sauce has thickened (about 5 minutes).
  7. To assemble the Mushroom Shepherd's Pie: Preheat broiler to high.
  8. Transfer vegetables to an 8” x 11” casserole dish.
  9. Spread mashed potatoes in an even layer over the vegetables, top with parmesan and broil 5 minutes, or until top is golden. Garnish with parsley.

Nutrition Information

Serving 11/2 cups Calories 313kcal (16%) Carbohydrates 50g (17%) Protein 12g (24%) Fat 9g (14%) Saturated Fat 4g (20%) Cholesterol 17mg (6%) Sodium 731mg (30%) Fiber 8g (32%) Sugar 9g (18%)

Nutrition Facts

Serving: 6servings

Amount Per Serving

Calories 313

% Daily Value*

Serving 11/2 cups
Calories 313kcal 16%
Carbohydrates 50g 17%
Protein 12g 24%
Fat 9g 14%
Saturated Fat 4g 20%
Cholesterol 17mg 6%
Sodium 731mg 30%
Fiber 8g 32%
Sugar 9g 18%

* Percent Daily Values are based on a 2,000 calorie diet.