How many servings does this recipe make?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

What ingredients do I need for Beverly'S Roast Beef Casserole?

You need 10 ingredients. The key ingredients include: 1 1/2 c. diced leftover roast beef, 3/4 c. thinly sliced onion, 1/2 green pepper, cut in strips, 2 tsp. vegetable oil, and more.

Is Beverly'S Roast Beef Casserole suitable as meat & poultry?

Yes, Beverly'S Roast Beef Casserole falls under the Meat & Poultry category and is a great choice for this type of meal.

How do I store leftover Beverly'S Roast Beef Casserole?

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

Beverly'S Roast Beef Casserole Recipe

Name: Beverly'S Roast Beef Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 1/2 c. diced leftover roast beef; 3/4 c. thinly sliced onion; 1/2 green pepper, cut in strips; 2 tsp. vegetable oil; 1 can sliced mushrooms (optional); 1 can tomatoes; 1 1/2 c. thinned brown gravy; 2 oz. noodles, cooked; pepper to taste; grated Cheddar cheese

Try this homemade Beverly'S Roast Beef Casserole recipe the whole family will love. Made with leftover roast beef, onion, green pepper and vegetable oil…

This Beverly'S Roast Beef Casserole relies on simple, everyday ingredients such as diced leftover roast beef, thinly sliced onion, green pepper, cut in strips and vegetable oil. It comes together quickly and makes 4 servings, at about 362 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.

Updated Jun 30, 2026

Serves 4 Meat & Poultry

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Feel free to swap in similar ingredients you already have on hand and adjust seasoning to taste.

No specific allergen information. Please check the ingredient list for possible allergens.

My Personal Notes

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Beverly'S Roast Beef Casserole

Tips for the best results

Variations & substitutions

My Personal Notes

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