This is a dish where the sauce quietly takes control.
Dark beer reduces into something deeper — slightly bitter, slightly sweet — and everything else is built to support it. The pork stays clean and tender, the vegetables soft and balanced, but it’s the sauce that brings it all together.
At a Glance
Difficulty
Moderate
Prep Time
30 minutes
Cook Time
60 minutes
Total Time
1 hour 30 minutes
Servings
4 servings
Related recipes: Easy Crispy Air Fryer Baked Potatoes with Garlic Herb Butter
Ingredients
Why the Sauce Leads
From experience, this dish only works when the sauce is given time.
Dark beer needs to reduce slowly — rushing it leaves it thin and slightly harsh. When reduced properly, it becomes smoother, deeper, and slightly glossy. The mustard and honey don’t make it sweet — they round out the bitterness.
Instructions
- Start by taking the pork out of the fridge early. Let it sit at room temperature for about 20–30 minutes — this helps it cook more evenly.
- Season the pork evenly with 1 tsp of salt and ½ tsp of black pepper, pressing the seasoning lightly into the surface.
- Heat 1 tbsp of oil in an oven-safe pan over medium heat. Once hot, place the pork in the pan and brown it on all sides. Take your time here — proper browning builds flavor that will carry through the dish.
- Once evenly browned, transfer the pan directly into an oven preheated to 180°C / 350°F. Roast until the pork is just cooked through — depending on thickness, this usually takes around 40–50 minutes. The meat should feel firm but still slightly springy.
- Remove the pork from the oven and cover loosely with foil. Let it rest while you finish everything else — this step keeps the juices inside the meat.
- While the pork roasts, prepare the celeriac purée.
- Place the diced celeriac into a pot of salted water (use ½ tsp of the salt). Bring to a boil and cook until very soft — it should break easily when pressed.
- Drain thoroughly and let excess moisture steam off for a minute or two. Mash until smooth, then add 20 g of butter and all the milk or cream. Stir until creamy and cohesive.
- Season lightly with a pinch of the remaining pepper. Keep warm — if it thickens too much, a splash of warm milk will loosen it.
- Prepare the carrots next.
- Toss them with ½ tbsp oil, ¼ tsp salt, and a pinch of pepper. Spread them on a baking tray in a single layer.
- Roast until tender and lightly caramelized on the edges. From experience, turning them once halfway helps them color more evenly.
- Now return to the pan used for the pork.
- Place it over medium heat and add the remaining ½ tbsp of oil if needed. Add the onion and cook slowly until soft and slightly translucent — avoid browning.
- Add the garlic and cook briefly until fragrant.
- Pour in the dark beer and let it simmer. Keep the heat moderate and allow it to reduce by about half — this is where the flavor concentrates.
- Add the stock and continue simmering until the sauce thickens slightly and becomes glossy.
- Stir in the mustard and honey, then finish with the remaining 20 g of butter. Stir until the sauce is smooth and lightly emulsified.
- Taste and adjust seasoning with the remaining salt and pepper.
- Slice the rested pork into thick pieces.
- Spoon the sauce over the top, letting it run slightly onto the plate.
- Serve with the celeriac purée and roasted carrots alongside.
You may also like: Nut-Crusted Chicken with Balsamic Sauce and Beet Salad, Chicken Saltimbocca with Caper Butter and Grilled Carrots, Chicken Parcels with Green Asparagus and Mustard Mushroom Sauce
Texture & Flavor Notes
The pork should be tender and juicy with a lightly browned exterior.
The sauce is smooth and slightly glossy, with depth from the beer and a balanced finish. The purée is soft and mild, while the carrots bring gentle sweetness and contrast.
Tips for Best Results
- Let the beer reduce properly — this step defines the sauce
- Don’t skip resting the pork — it keeps the meat juicy
- Mash celeriac while hot for the smoothest texture
- Keep the sauce at a steady simmer, not a boil
Small detail that matters: if the sauce tastes slightly sharp at the end, give it another minute on low heat — it will mellow out.
FAQ
Can I use a different beer?
Yes, but darker beers work best. Lighter beers won’t give the same depth and can taste slightly flat after reduction.
How do I know when the pork loin is done?
It should be just cooked through and still juicy. Internal temperature should be around 63–65°C (145–150°F).
Can I make the sauce ahead of time?
Yes. Reheat gently and add a small knob of butter at the end to refresh the texture.
What can I use instead of celeriac?
Mashed potatoes or parsnips work well, though they’ll be slightly sweeter.
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