Welsh rarebit is a classic British dish that elevates the simple concept of cheese on toast to a whole new level. This savory treat features a rich, creamy cheese sauce infused with the tang of mustard and the umami depth of Worcestershire sauce, all broiled to perfection atop crispy toasted bread. Perfect for a comforting snack or a light meal, Welsh rarebit is sure to satisfy your cravings for something warm and cheesy.
While most of the ingredients for Welsh rarebit are common pantry staples, you might need to pick up a couple of items at the supermarket. Dijon mustard and Worcestershire sauce are essential for adding depth and complexity to the cheese sauce. Make sure to get a good quality sharp cheddar cheese for the best flavor.
Ingredients for Traditional Welsh Rarebit Recipe
Butter: Adds richness and helps create the base of the sauce.
Flour: Used to thicken the sauce, creating a smooth and creamy texture.
Milk: Provides the liquid base for the cheese sauce, making it creamy and smooth.
Sharp cheddar cheese: The star of the dish, offering a strong, tangy flavor that defines Welsh rarebit.
Dijon mustard: Adds a subtle tang and complexity to the cheese sauce.
Worcestershire sauce: Brings a savory, umami depth to the dish.
Bread: The vehicle for the cheese sauce, best when toasted to a golden brown.
Technique Tip for This Recipe
To achieve a velvety smooth cheese sauce, make sure to whisk the milk in gradually. Adding it too quickly can result in lumps. Also, ensure the flour and butter mixture, known as a roux, is cooked for at least 1-2 minutes to eliminate any raw flour taste.
Suggested Side Dishes
Alternative Ingredients
butter - Substitute with margarine: Margarine can provide a similar texture and flavor, making it a suitable alternative for those avoiding dairy.
flour - Substitute with cornstarch: Cornstarch can thicken the sauce just like flour, and it's a good option for those who are gluten-free.
milk - Substitute with unsweetened almond milk: Unsweetened almond milk can mimic the creaminess of regular milk, making it a great dairy-free option.
sharp cheddar cheese - Substitute with vegan cheddar cheese: Vegan cheddar cheese can provide a similar sharp flavor and meltability for those avoiding dairy.
dijon mustard - Substitute with whole grain mustard: Whole grain mustard offers a similar tangy flavor and texture, making it a good alternative.
worcestershire sauce - Substitute with soy sauce: Soy sauce can provide a similar umami flavor, and it's a good option for vegetarians as traditional Worcestershire sauce contains anchovies.
bread - Substitute with gluten-free bread: Gluten-free bread can be used to accommodate those with gluten sensitivities while still providing a similar base for the dish.
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How to Store / Freeze This Dish
- Allow the cheese sauce to cool completely before storing. This helps prevent condensation, which can make the sauce watery.
- Transfer the cooled cheese sauce into an airtight container. Make sure to leave a little space at the top to allow for expansion if freezing.
- Store the cheese sauce in the refrigerator for up to 3 days. When reheating, do so gently over low heat, stirring frequently to maintain its creamy texture.
- For longer storage, freeze the cheese sauce. It can be kept in the freezer for up to 2 months. Thaw overnight in the refrigerator before reheating.
- If you plan to freeze the bread, toast it first and let it cool completely. Place the slices in a single layer on a baking sheet and freeze until solid. Then, transfer the slices to a freezer-safe bag or container.
- When ready to serve, reheat the cheese sauce and toast the frozen bread slices directly in the toaster or oven. Pour the reheated sauce over the toast and broil as directed.
- To prevent the cheese sauce from separating when reheating, add a splash of milk or cream and whisk until smooth.
- Label your containers with the date to keep track of freshness, ensuring you enjoy your Traditional Welsh Rarebit at its best.
How to Reheat Leftovers
Oven Method:
- Preheat your oven to 350°F (175°C).
- Place the leftover Welsh rarebit on a baking sheet.
- Cover it loosely with aluminum foil to prevent the cheese sauce from drying out.
- Heat for about 10-15 minutes, or until the cheese sauce is bubbly and the bread is warmed through.
- For a crispy finish, remove the foil for the last 2-3 minutes of heating.
Stovetop Method:
- Heat a non-stick skillet over medium-low heat.
- Place the Welsh rarebit slices in the skillet, cover with a lid to trap the heat.
- Heat for about 5-7 minutes, checking occasionally to ensure the cheese sauce is melting evenly.
- If the bread starts to get too crispy before the cheese sauce is fully heated, reduce the heat to low.
Microwave Method:
- Place the Welsh rarebit on a microwave-safe plate.
- Cover with a microwave-safe lid or a damp paper towel to retain moisture.
- Heat on medium power for 1-2 minutes, checking halfway through.
- Continue heating in 30-second intervals until the cheese sauce is hot and bubbly.
Toaster Oven Method:
- Preheat the toaster oven to 350°F (175°C).
- Place the Welsh rarebit on the toaster oven tray.
- Heat for about 8-10 minutes, or until the cheese sauce is bubbly and the bread is warmed through.
- For a golden finish, use the broil setting for the last 1-2 minutes, keeping a close eye to avoid burning.
Air Fryer Method:
- Preheat the air fryer to 320°F (160°C).
- Place the Welsh rarebit in the air fryer basket.
- Heat for about 5-7 minutes, checking halfway through to ensure even heating.
- If needed, increase the temperature to 350°F (175°C) for the last 1-2 minutes to achieve a crispy top.
Best Tools for This Recipe
Saucepan: Used to melt the butter and cook the flour, as well as to prepare the cheese sauce.
Whisk: Essential for blending the flour into the butter and for ensuring the milk is smoothly incorporated without lumps.
Measuring spoons: Needed to measure out the butter, flour, dijon mustard, and worcestershire sauce accurately.
Measuring cup: Used to measure the milk and grated cheese.
Grater: Required to grate the sharp cheddar cheese.
Toaster: Used to toast the bread slices before adding the cheese sauce.
Broiler: Utilized to achieve a bubbly and golden brown finish on the cheese-topped toast.
Spatula: Handy for stirring the cheese sauce to ensure it is smooth and well-mixed.
Cutting board: Provides a stable surface for grating the cheese.
Knife: Useful for slicing the bread if it isn't pre-sliced.
How to Save Time on Making This Recipe
Pre-measure ingredients: Measure out the butter, flour, milk, cheese, mustard, and worcestershire sauce before you start cooking to streamline the process.
Use pre-grated cheese: Save time by using pre-grated sharp cheddar cheese instead of grating it yourself.
Toast bread simultaneously: Toast the bread slices while you prepare the cheese sauce to cut down on waiting time.
Whisk continuously: Whisk the milk into the flour mixture continuously to ensure a smooth and quick thickening process.
Broil efficiently: Keep a close eye on the toast under the broiler to prevent burning and achieve a perfect golden brown quickly.

Traditional Welsh Rarebit Recipe
Ingredients
Main Ingredients
- 2 tablespoon Butter
- 2 tablespoon Flour
- 1 cup Milk
- 1 cup Sharp Cheddar Cheese, grated
- 1 teaspoon Dijon Mustard
- 1 teaspoon Worcestershire Sauce
- 4 slices Bread, toasted
Instructions
- Melt the butter in a saucepan over medium heat.
- Whisk in the flour and cook for 1-2 minutes.
- Gradually add the milk, whisking constantly until smooth and thickened.
- Add the grated cheese, mustard, and Worcestershire sauce. Stir until the cheese is melted and the sauce is smooth.
- Pour the cheese sauce over the toasted bread slices.
- Place the toast under the broiler for a few minutes until bubbly and golden brown.
Nutritional Value
Keywords
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