Ingredients
Metric weights use grams. US weights use ounces; liquids use fluid ounces. Conversions are rounded. Spoon measures use 5 ml teaspoons and 15 ml tablespoons; cups use 240 ml.
Serves 4
Sauce
Bread
Equipment
Kitchen scales; measuring jug and spoons; knife; cutting board; mixing bowls; saucepan with lid; sieve; grill or oven broiler; tongs; whisk or electric mixer; heatproof spoon; spatula.
Check all product labels and cross-contact. Diet groups describe this listed recipe, not every substitution.
Steps
Sauce · About 3 min
- Melt butter from 25 g butter, 25 g plain flour, 150 ml ale, 200 g cheddar, grated, 10 g Dijon mustard, 10 ml Worcestershire sauce, stir in flour 1 minute and whisk in ale. Simmer 3 minutes; remove from heat and stir in cheese, mustard and Worcestershire.
Toast · About 5 min
- Toast 4 thick bread slices on both sides.
Grill · About 5 min
- Spread sauce thickly over toast; broil 3–5 minutes until bubbling and golden.
Check: Look for this result: bubbling and golden.
Tips
- Watch closely under the broiler because cheese browns quickly.
- Judge Welsh Rarebit by the texture and doneness signs in its steps. Your pan and heat affect how long Welsh Rarebit takes to cook.
Substitutions
- In Welsh Rarebit, replace ale and vegetarian Worcestershire if needed with milk.
Storage
- Get perishable Welsh Rarebit into the fridge within two hours, or within one hour above 32°C / 90°F. Eat Welsh Rarebit within two days, keeping it covered at 4°C / 40°F or colder.
- Bring cooked Welsh Rarebit to 74°C / 165°F, stirring or turning it for even heating. When Welsh Rarebit is part of the meal, serve cold salads, dips and chilled desserts straight from safe refrigeration.
Make ahead
- Prepare the measured ingredients for Welsh Rarebit one day ahead. For Welsh Rarebit, refrigerate chopped vegetables apart from the other perishable ingredients. Follow the cooking stages for Welsh Rarebit on the day of serving.
FAQ
What matters most when making Welsh Rarebit?
Watch closely under the broiler because cheese browns quickly.
What can I substitute in Welsh Rarebit?
In Welsh Rarebit, replace ale and vegetarian Worcestershire if needed with milk.
Can I prepare Welsh Rarebit ahead?
Prepare the measured ingredients for Welsh Rarebit one day ahead. For Welsh Rarebit, refrigerate chopped vegetables apart from the other perishable ingredients. Follow the cooking stages for Welsh Rarebit on the day of serving.
Food safety references
FoodSafety.gov: cooking temperatures · Food Standards Agency: rice storage and reheating



