What Is Welsh Rarebit
(And Why It’s Not Just Cheese on Toast)
At first glance, Welsh rarebit might look like posh cheese on toast — but don’t be fooled. This classic dish is a silky, savoury cheese sauce, often infused with mustard, ale, and a touch of spice, spooned generously over thick-cut toasted bread and grilled until bubbling and golden.
Unlike regular cheese on toast (a childhood favourite in many British homes), rarebit is all about flavour layering: tangy cheese, a hint of bitterness from the ale, depth from Worcestershire sauce or mustard, and the crunch of well-toasted bread. It’s a pub classic, a comforting supper, and a delicious way to showcase Welsh cheese.
A Bite of History
The Story Behind Welsh Rarebit
The term ‘rarebit’ first appeared in the 18th century as a humorous twist on ‘rabbit’ — despite containing no rabbit at all. Back then, it was sometimes called ‘Welsh rabbit’, poking fun at the idea that cheese was the meat substitute of choice in poorer Welsh households.
In truth, the dish may be simple, but it reflects deep roots in Welsh food culture: a frugal yet flavourful way of turning basic pantry ingredients into something hearty and indulgent. And over time, rarebit evolved into a beloved comfort food found in homes, cafés, and gastropubs alike — proudly flying the flag for Welsh cuisine.
Ingredients (serves 2–3):
- 1 tbsp butter
- 1 tbsp plain flour
- 100ml Welsh ale (or milk if preferred)
- 1 tsp English mustard (or ½ tsp mustard powder)
- 1 tsp Worcestershire sauce
- 150g strong Welsh cheddar, grated (e.g. Hafod or Caerphilly)
- 2–3 thick slices of crusty bread (sourdough or bloomer works well)
- Salt and pepper to taste
Method:
- In a saucepan, melt the butter over medium heat. Stir in the flour to form a roux and cook gently for 1 minute.
- Gradually whisk in the ale (or milk) until smooth.
- Add mustard and Worcestershire sauce, then stir in the grated cheese.
- Cook gently until the cheese melts into a thick, smooth sauce. Season to taste.
- Toast the bread on both sides under the grill or in a toaster.
- Spoon the cheese mixture generously over the toast, then grill until golden and bubbling.
- Serve hot — and don’t forget the napkin!
How to Serve Welsh Rarebit Like a Local
Presentation matters! Here are some ways to elevate your rarebit to the next level:
- Use a thick sourdough, soda bread or crusty white bloomer.
- Add a dollop of chutney or red onion marmalade either on the side or under the rarebit for a sweet contrast.
- Top with a poached egg for the classic “Buck Rarebit” version.
- Sprinkle with cracked black pepper or paprika before serving for a little extra kick.
What to Serve It With
- A hot mug of strong builder’s tea or Welsh brew
- A pint of Welsh ale or craft cider
- A simple green salad with tangy vinaigrette
- Leek and potato soup for a full-on Welsh meal
- Pickled onions or gherkin slices to cut through the richness
Why Not Try It Yourself?
Whether you’re staying in Cardiff, exploring a valley café, or cooking at home, Welsh rarebit is a taste of Wales at its best — simple, satisfying, and steeped in tradition. Give the recipe a go and let us know how it turned out!
Have your own twist on the classic? Share your photos or tag us on Instagram @cardiffandvalleysguide. We’d love to feature your rarebit masterpiece!
