Mushroom Barley Bake with Balsamic Mushrooms

Mushroom Barley Bake with Balsamic Mushrooms

This is one of those recipes we keep coming back to on cold evenings when we want something that feels really hearty and special without being loads of effort. Earthy mushrooms, nutty pearl barley, and a rich balsamic finish make this proper comfort food but with a bit of sophistication to it. The barley soaks up all those deep savoury flavours as it bakes, giving you this incredible creamy texture that feels almost risotto-like. And then those glossy balsamic mushrooms on top take the whole thing to another level. Honestly, make this tonight; you won't regret it.

Cook: 60 min
Serves 6

Before You Start

  • Preheat oven to 200°C fan
  • Cast iron pan with lid
  • Large baking tray

Ingredients

  • 1 large onion
  • 2 tbsp olive oil
  • 6 cloves of garlic
  • 8 sprigs of thyme
  • 1 tbsp balsamic vinegar
  • 1 tbsp soy sauce
  • 450g chestnut mushrooms
  • 250g pearl barley
  • 1 vegetable stock cube
  • salt
  • 300g oyster mushrooms
  • 1 tbsp olive oil
  • 1 tbsp balsamic vinegar
  • 1 tbsp soy sauce
  • plant-based cream
  • handful of fresh parsley

Method

1

Begin the mushroom bake

  • Peel and finely dice the onion
  • In the cast iron pan, heat 2 tbsp olive oil over medium heat. Once hot, add the onion and a pinch of salt. Pop the lid on and cook for 8-10 minutes until the onion is soft and translucent
2

Prepare the rest of the vegetables

  • Peel and crush the garlic
  • Remove the thyme leaves from the stalks with you thumb and index finger
  • Roughly chop the mushrooms
3

Return to the bake

  • Once the onion is soft, remove the lid, and stir through the garlic and thyme leaves. Cook for a minute to release the delicious aromas
  • Increase the temperature and add the mushrooms, balsamic and soy sauce. Mix to combine and cook for 2-3 minutes
  • Next, add the barley, stock cube and 1 litre of boiling water. Bring to a boil and carefully transfer to the oven. Bake the barley for 40-45 minutes. The barley is ready when it is tender
4

For the roasted mushrooms

  • Increase the oven temperature to 200*C fan setting
  • Spread the oyster mushrooms on a baking tray. Drizzle with olive oil, balsamic and soy sauce. Roast in the oven for 8-10 minutes until the mushrooms are cooked through and carmelised around the edges
5

Finish and serve

  • Stir through the chopped parsley and top with the roasted mushrooms and a big drizzle of plant-based cream

Tips & Variations

  • Use dried mushrooms too: If you want to go even deeper on the mushroom flavour, soak a small handful of dried porcini in hot water for 10 minutes and add the soaking liquid in with your stock. Trust us on this one, it's a game changer.
  • Make it gluten-free: Swap the pearl barley for buckwheat groats or cooked brown rice. The texture is slightly different but still absolutely delicious and it bakes up really nicely.
  • Balsamic quality matters: Henry always reaches for a decent aged balsamic here rather than the cheap stuff. It doesn't need to be fancy, just one that's a little thick and sweet rather than watery and sharp.

Why This Works

The trick here is letting the onions go properly soft and sweet before anything else goes in. Don't rush that stage; it builds the whole flavour base. What really makes this sing is the balsamic on the mushrooms at the end. It adds this gorgeous tangy depth that cuts right through the richness of the barley. We find cooking it in a cast iron pan also makes a real difference. It holds the heat evenly and gives you that lovely caramelised edge around the sides.