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Leftover Roast Beef Casserole

This leftover roast beef casserole is not only quick and easy to make, but it's also delicious and kid-friendly!

Ingredients

  • 2-3 tbsp olive oil (just enough to cover the bottom of a large pan)
  • 1 onion, diced
  • 1 tbsp fresh rosemary, minced
  • 2 carrots, diced
  • 2 potatoes, diced
  • 2 cups frozen peas
  • 2 cups roast beef, diced
  • 1 cup gravy
  • 3 cups cheddar cheese, grated and divided
  • salt and pepper to taste

Instructions

  • Preheat the oven to 350 degrees F.
  • Sauté the onion with the olive oil and rosemary for about 3-5 minutes.
  • Add the rest of the vegetables and saute for another 5-10 minutes.
  • Cover and simmer for another 15-20 minutes until vegetables are tender, but not fully cooked.
  • Remove from heat.
  • Add gravy, half the cheese and salt and pepper to taste. Stir to combine.
  • Transfer to a greased casserole dish and cover with the remaining cheese.
  • Bake, uncovered, for 20-30 minutes.