Recipes Main Dishes Savory Pie Recipes Shepherd's Pie Recipes The Supreme Shepherd's Pie 4.5 (65) 60 Reviews 5 Photos This is a great way to breathe new life into your leftovers! Just add onions to your leftover roast beef, gravy, and mashed potatoes. Submitted by Sunny Updated on July 14, 2022 Save Rate Print Share Close Add Photo 5 5 5 Prep Time: 15 mins Cook Time: 1 hr Total Time: 1 hr 15 mins Servings: 4 Yield: 1 casserole Jump to Nutrition Facts Cook Mode (Keep screen awake) Ingredients 1x 2x 4x Oops! Something went wrong. Our team is working on it. Original recipe (1X) yields 4 servings 1 pound leftover roast beef, cubed 2 onions, thinly sliced ½ cup homemade beef gravy 4 cups mashed cooked potatoes Directions Preheat oven to 350 degrees F (175 degrees C). Place roast beef in an even layer in bottom of a 2 quart casserole dish. Cover with sliced onions, then gravy. Spread mashed potatoes over top. Bake in preheated oven for 1 hour, until potatoes are browned. I Made It Print 75 home cooks made it! Nutrition Facts (per serving) 365 Calories 12g Fat 44g Carbs 19g Protein Show Full Nutrition Label Hide Full Nutrition Label Nutrition Facts Servings Per Recipe 4 Calories 365 % Daily Value * Total Fat 12g 16% Saturated Fat 5g 24% Cholesterol 52mg 17% Sodium 863mg 38% Total Carbohydrate 44g 16% Dietary Fiber 4g 15% Total Sugars 6g Protein 19g 38% Vitamin C 17mg 19% Calcium 76mg 6% Iron 3mg 14% Potassium 861mg 18% * Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs. ** Nutrient information is not available for all ingredients. Amount is based on available nutrient data. (-) Information is not currently available for this nutrient. If you are following a medically restrictive diet, please consult your doctor or registered dietitian before preparing this recipe for personal consumption.