“This is a great way to breathe new life into your leftovers! Just add onions to your leftover roast beef, gravy, and mashed potatoes.” - by Sunny
Ingredients
Adjust Servings
Original recipe yields 1 casserole
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.
Nutrition
Amount Per Serving (4 total)
- Calories
- 365 cal
- 18%
- Fat
- 12.4 g
- 19%
- Carbs
- 43.8 g
- 14%
Based on a 2,000 calorie diet
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Reviews (39)
Rate This Recipe
"I added corn, green beans and shredded cheddar cheese to the recipe and used instant mashed potatoes. It was great - a wonderful use for leftover roast beef. Even my husband liked it! I'll definite..." See morely make it again."
BOOKCHICKADEE
"Outstanding! I fixed this tonight using leftover roast beef from last night's dinner. I sauteed red onions, mushrooms and garlic ~ then I placed them over the meat and poured mushroom gravy over the t..." See moreop. Followed by the mashed potatoes. I left the dish covered with foil during the first 30 minutes of cooking. I took the foil off for the last 30 minutes. I'll be making this over and over again!"
Sarah Gartland
"I didn't have onions on hand so I threw in some onion soup mix with this, and this disappeared so fast my head spun! When it comes out of the oven, let it set about 10 minutes so it's easier to slice ..." See moreand serves up neater. Brush some butter on top of the potatoes for a crusty top."
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