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 Roast Fillet Of Beef With Onion Marmalade?

You need 10 ingredients. The key ingredients include: 1 None whole fillet of beef (about 4 1/2 lbs), fat trimmed, neatly tied, 2 tbsp unsalted butter, at room temperature, 1 tbsp kosher salt, 1 tbsp freshly ground black pepper, and more.

Is Roast Fillet Of Beef With Onion Marmalade suitable as meat & poultry?

Yes, Roast Fillet Of Beef With Onion Marmalade falls under the Meat & Poultry category and is a great choice for this type of meal.

How do I store leftover Roast Fillet Of Beef With Onion Marmalade?

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

Roast Fillet Of Beef With Onion Marmalade Recipe

Name: Roast Fillet Of Beef With Onion Marmalade
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 None whole fillet of beef (about 4 1/2 lbs), fat trimmed, neatly tied; 2 tbsp unsalted butter, at room temperature; 1 tbsp kosher salt; 1 tbsp freshly ground black pepper; None None FOR THE ONION MARMALADE; 1 lb red onions, thinly sliced; 2 tbsp extra-virgin olive oil; 3/4 cup red wine; 2 tbsp balsamic vinegar; 1/4 cup sugar

Try this homemade Roast Fillet Of Beef With Onion Marmalade recipe the whole family will love. Made with fillet of beef, unsalted butter, kosher salt an…

This Roast Fillet Of Beef With Onion Marmalade relies on simple, everyday ingredients such as kosher salt, freshly ground black pepper, red onions, thinly sliced and extra-virgin olive oil. It comes together quickly and makes 4 servings, at about 275 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

Use a neutral oil or a plant-based spread in place of butter for a dairy-free version.
Brown sugar instead of white sugar adds a deeper, more caramel-like flavor.

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

My Personal Notes

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Roast Fillet Of Beef With Onion Marmalade

Tips for the best results

Variations & substitutions

My Personal Notes

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