Welsh rarebit is a classic British dish that elevates simple toasted bread with a rich, savory cheese sauce. This comforting recipe is perfect for a quick lunch or a cozy dinner, offering a delightful combination of flavors that will satisfy any cheese lover.
While most of the ingredients for Welsh rarebit are common pantry staples, you might need to pick up dijon mustard and worcestershire sauce if they are not already in your kitchen. These two ingredients add depth and complexity to the cheese sauce, making it truly special.

Ingredients For Traditional Welsh Rarebit Recipe
Butter: Adds richness and helps create the base for the cheese sauce.
All-purpose flour: Used to thicken the sauce, creating a smooth and creamy texture.
Milk: Provides the liquid component for the sauce, making it creamy and smooth.
Sharp cheddar cheese: The main flavor component, offering a tangy and robust cheese taste.
Dijon mustard: Adds a subtle tang and depth to the cheese sauce.
Worcestershire sauce: Enhances the umami flavor, giving the sauce a savory kick.
Bread: The base for the dish, toasted to provide a crunchy contrast to the creamy sauce.
Technique Tip for This Recipe
When making the cheese sauce, ensure you whisk the flour and butter mixture, known as a roux, thoroughly to avoid any lumps. Gradually adding the milk while continuously whisking will help achieve a smooth and creamy consistency.
Suggested Side Dishes
Alternative Ingredients
butter - Substitute with margarine: Margarine can be used as a dairy-free alternative and has a similar fat content to butter.
butter - Substitute with olive oil: Olive oil provides a different flavor profile but can still serve as a fat base for the sauce.
all-purpose flour - Substitute with cornstarch: Cornstarch can thicken the sauce similarly to flour but is gluten-free.
all-purpose flour - Substitute with rice flour: Rice flour is another gluten-free option that can be used to thicken the sauce.
milk - Substitute with almond milk: Almond milk is a dairy-free alternative that can be used to create a creamy sauce.
milk - Substitute with oat milk: Oat milk is another dairy-free option that has a neutral flavor and creamy texture.
sharp cheddar cheese - Substitute with gruyere cheese: Gruyere cheese has a similar melting quality and a rich, nutty flavor.
sharp cheddar cheese - Substitute with vegan cheddar cheese: Vegan cheddar cheese is a dairy-free alternative that can mimic the texture and flavor of sharp cheddar.
dijon mustard - Substitute with whole grain mustard: Whole grain mustard provides a similar tangy flavor with a slightly different texture.
dijon mustard - Substitute with yellow mustard: Yellow mustard can be used in a pinch, though it has a milder flavor compared to dijon.
worcestershire sauce - Substitute with soy sauce: Soy sauce provides a similar umami flavor, though it lacks the complexity of Worcestershire sauce.
worcestershire sauce - Substitute with balsamic vinegar: Balsamic vinegar adds a tangy and slightly sweet flavor that can complement the dish.
bread - Substitute with gluten-free bread: Gluten-free bread is a suitable alternative for those with gluten intolerance.
bread - Substitute with sourdough bread: Sourdough bread adds a tangy flavor and chewy texture that pairs well with the cheese sauce.
Other Alternative Recipes Similar to This Dish
How to Store / Freeze This Recipe
- Allow the cheese sauce to cool completely before storing. This helps to 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 you plan to freeze it.
- Label the container with the date and contents. This will help you keep track of how long it has been stored.
- Store the cheese sauce in the refrigerator for up to 3 days. If you need to keep it longer, freezing is a better option.
- To freeze, place the airtight container in the freezer. The cheese sauce can be frozen for up to 2 months.
- When ready to use, thaw the cheese sauce in the refrigerator overnight. This slow thawing process helps maintain the texture and flavor.
- Reheat the cheese sauce gently in a saucepan over low heat, stirring frequently to prevent it from separating. You may need to add a splash of milk to restore its creamy consistency.
- For the toasted bread, it’s best to prepare it fresh. However, if you have leftovers, store them in a bread box or a resealable plastic bag at room temperature for up to 2 days.
- To reheat the toasted bread, place it in a toaster or under a broiler for a few minutes until it’s crispy again. Avoid microwaving as it can make the bread soggy.
- Assemble the Welsh rarebit by pouring the reheated cheese sauce over the freshly toasted bread and serve immediately for the best taste and texture.
How to Reheat Leftovers
Preheat your oven to 350°F (175°C). Place the leftover Welsh rarebit on a baking sheet and cover it loosely with aluminum foil. Heat for about 10-15 minutes or until the cheese sauce is bubbly and the bread is warmed through.
For a quicker method, use a microwave. Place the Welsh rarebit on a microwave-safe plate. Cover it with a microwave-safe lid or another plate to prevent splattering. Heat on medium power for 1-2 minutes, checking halfway through to ensure the cheese sauce is evenly heated.
If you prefer a crispier texture, use a toaster oven. Set it to 350°F (175°C) and place the Welsh rarebit directly on the rack or a baking sheet. Heat for about 8-10 minutes, or until the cheese sauce is hot and the bread is slightly crispy.
For a stovetop method, heat a non-stick skillet over medium-low heat. Place the Welsh rarebit in the skillet, cover with a lid, and heat for about 5-7 minutes. This method helps maintain the crispiness of the bread while ensuring the cheese sauce is thoroughly heated.
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 whisking the flour into the melted butter and for gradually incorporating the milk to ensure a smooth sauce.
Measuring spoons: Necessary for accurately measuring the butter, flour, mustard, and Worcestershire sauce.
Measuring cup: Used to measure the milk and grated cheddar cheese.
Grater: Needed to grate the sharp cheddar cheese.
Toaster: Used to toast the bread slices.
Spatula: Helpful for stirring the cheese sauce to ensure it is smooth and well combined.
Cutting board: Provides a surface for grating the cheese and preparing other ingredients.
Knife: Useful for any additional preparation, such as slicing the bread if needed.
Serving plate: Used to serve the toasted bread topped with the cheese sauce.
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 while you prepare the cheese sauce to ensure everything is ready at the same time.
Make a roux ahead: Prepare the butter and flour mixture (roux) in advance and store it in the fridge for quick use.

Traditional Welsh Rarebit Recipe
Ingredients
Main Ingredients
- 2 tablespoon Butter
- 2 tablespoon All-purpose 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.
- Stir in the cheese, mustard, and Worcestershire sauce until the cheese is melted and the sauce is smooth.
- Pour the cheese sauce over the toasted bread and serve immediately.
Nutritional Value
Keywords
Suggested Appetizers and Desserts for This Dish
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