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Spiced roast beef Boxing Day sandwiches

A generously filled sub-style beef sandwich with rocket

Spiced roast beef Boxing Day sandwiches

Name: Spiced roast beef Boxing Day sandwiches
Prep time: 15 min
Cook time: 1 h 30 min
Total time: 1 h 45 min
Yield: (with leftovers)
Ingredients: 1.5kg beef roasting joint; 2 tbsp vegetable oil; 2 tbsp English mustard; 2 tsp onion salt; 2 tsp all-purpose seasoning; 3 large onions sliced; 50g butter; 8 tbsp horseradish; 16 smoked cheese slices; 2 baguettes each sliced into 4; 100g rocket; 50g dried crispy onions

Ailsa Burt

Published: October 17, 2024 at 1:09 PM

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(with leftovers)

Easy

Prep: 15 mins

Cook: 1 hr and 30 mins

plus resting

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Make these hearty sandwiches after your Boxing Day walk. Packed with British beef, peppery horseradish and rocket, they’re sure to please the whole family

High-protein

Low sugar

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Ingredients

Nutrition

Units:

MetricUS

1.5kg beef roasting joint
2 tbsp vegetable oil
2 tbsp English mustard
2 tsp onion salt
2 tsp all-purpose seasoning
3 large onions

sliced
50g butter
8 tbsp horseradish
16 smoked cheese slices

To serve

2 baguettes

each sliced into 4
100g rocket
50g dried crispy onions

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Nutrition: per serving

kcal552
fat27g
saturates12g
carbs37g
sugars6g

low
fibre3g
protein38g

high
salt2.5g

Method

step 1

Let the beef roasting joint come to room temperature 1 hr before roasting. Heat the oven to 220C/200C fan/gas 7. Pat the meat dry using kitchen paper, then combine the oil, mustard, onion salt, all-purpose seasoning and a good grind of black pepper. Rub the mixture all over the beef joint. Arrange the onions in a single layer in the base of a large roasting tin, and pour in a generous cup of water. Sit the beef on top (fat-side up, if there is any).
step 2

Roast for 20 mins, then reduce the oven to 180C/160C fan/gas 4 and roast for another 55 mins for medium (it should read around 48C when a meat thermometer is inserted into the thickest part of the joint). Remove from the oven and leave to rest in the tin, covered, for 20 mins.
step 3

Remove the beef to a chopping board and slice as thinly as you can. Set aside on a plate. Strain the roasting tin juices into a pan, reserving the onions on the plate with the beef. Bring the strained liquid to the boil, then reduce the heat and simmer for 3 mins until reduced. Stir in the butter and continue to simmer for 2-3 mins until thickened. Remove from the heat.
step 4

To assemble the sandwiches, heat the oven to 180C/160C fan/gas 4. Split the baguettes and spread the reduced resting juices over the bases. Top with the horseradish, roasted onions, beef and smoked cheese, then bake on a tray in the oven for 5 mins to warm through and melt the cheese slightly. Scatter in a handful of rocket and some crispy onions before serving.

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