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Leftover Roast Beef Shepherd's Pie in a cast iron dish.
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4.55 from 48 votes

Leftover Roast Beef Shepherd’s Pie

This recipe is perfect for you if you have a dilemma about what to do with your Sunday roast beef dinner leftovers. This Leftover Roast Beef Shepherd’s Pie combines all of them, fom the mashed potatoes, and leftover veggies, to the gravy!
Prep Time10 minutes
Cook Time30 minutes
Total Time40 minutes
Course: Main Course
Cuisine: American
Keyword: beef, leftover roast beef, shepherd's pie
Servings: 6 servings
Calories: 447kcal
Author: Chef Jenn

Ingredients

  • 3 cups mashed potatoes
  • 3 cups leftover roast beef
  • 1/2 cup peas
  • 1 cup carrots
  • 1.5 cups gravy
  • 1 cup cheddar cheese shredded
  • 1 teaspoon dehydrated garlic or use 1/2 teaspoon garlic powder
  • 2 teaspoons dehydrated onion or use 1 teaspoon onion powder

Instructions

  • Preheat the oven to 375 degrees F.
  • Cube the beef and mix it with peas, carrots, gravy, dehydrated garlic, and onion.
  • Spread the beef mixture in the bottom of a 10x10 baking dish.
  • Top the beef mixture with mashed potatoes and use an offset spatula to smooth them out.
  • Top the mashed potatoes with shredded cheddar cheese.
  • Bake for 25-30 mins or until heated through, and serve.

Notes

CHEF JENN’S TIPS

  • You can substitute cheddar cheese with Parmesan cheese, white cheddar, or marble cheese. 
  • Warm the mashed potato to spread them more easily. Just a few minutes in the microwave. 
  • You can add other leftover veggies like asparagus, broccoli, corn, mushrooms, and zucchini. 
  • You can use a gravy mix instead of leftover gravy. 
  • If you’re using fresh carrots, peel them, slice them thin, and parboil for 3 minutes in salted water.

Nutrition

Serving: 1.5cups | Calories: 447kcal | Carbohydrates: 33g | Protein: 32g | Fat: 21g | Saturated Fat: 10g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 8g | Trans Fat: 1g | Cholesterol: 105mg | Sodium: 536mg | Potassium: 867mg | Fiber: 3g | Sugar: 4g | Vitamin A: 3864IU | Vitamin C: 32mg | Calcium: 176mg | Iron: 3mg