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Cottage pie in a white baking dish.

Pot Roast Cottage Pie

This easy cottage pie recipe has a unique twist. Instead of traditional ground beef, it’s made with pot roast, mixed with a flavorful gravy and topped with fluffy mashed potatoes for a decadent flavor, good enough for company!
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Course: Dinner, Main Course
Cuisine: English
Prep Time: 10 minutes
Cook Time: 35 minutes
Total Time: 45 minutes
Servings: 8 servings
Calories: 287kcal
Author: Carolyn Thomas

Equipment

  • Large Sauce Pan
  • 9x13 Baking Dish
  • Wooden spoon
  • spatula
  • Knife & Cutting Board

Ingredients

  • 3 Tablespoons butter
  • 1 whole onion diced
  • 3 cloves garlic minced
  • 2 large carrots chopped small
  • 2 large celery stalks chopped small
  • 2 ½ cups gravy see gravy ingredients below if making from scratch
  • 1 Tablespoon flour or cornstarch
  • ½ teaspoon dried thyme
  • 1 teaspoon Worcestershire sauce
  • splash red wine optional
  • salt & pepper to taste
  • 2 cups pot roast
  • 1 cup frozen peas
  • 4 cups mashed potatoes

Ingredients for Gravy

  • 1 Tablespoon butter
  • 1 Tablespoon flour or cornstarch
  • 2 ½ cups chicken broth

Instructions

  • Preheat oven to 350°F.
  • In a large oven-proof skillet or Dutch oven, heat three tablespoons of butter over medium heat until melted. Add the onions, garlic, carrots, and celery, and cook, stirring often, until softened, about 8 minutes.
  • If making gravy specifically for this recipe: add flour to the vegetables, stir for 1 minute, then add the remaining gravy ingredients and simmer until thick.
  • If using leftover gravy: add it to the cooked vegetables and mix well.
  • Add one tablespoon of flour, Worcestershire sauce, wine (if using), dried thyme, and salt and pepper to taste. 
  • Gently stir in leftover pot roast and peas until fully incorporated.
  • Top pot roast mixture with mashed potatoes. The thickness of the potatoes is to your preference.
  • Brush the top of the potatoes with one tablespoon of melted butter.
  • Put the cottage pie in the oven for 25 minutes, until gravy begins to bubble around the edges of the potatoes. If you want the top of the pie browner, place it under the broiler for 2-3 minutes.
  • Remove cottage pie from the oven, allow it to rest for a few minutes and serve while still hot.

Nutrition

Calories: 287kcal | Carbohydrates: 30g | Protein: 18g | Fat: 10g | Saturated Fat: 5g | Polyunsaturated Fat: 0.5g | Monounsaturated Fat: 3g | Trans Fat: 0.2g | Cholesterol: 61mg | Sodium: 730mg | Potassium: 826mg | Fiber: 4g | Sugar: 4g | Vitamin A: 3332IU | Vitamin C: 32mg | Calcium: 43mg | Iron: 3mg
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