Welsh rarebit is a classic British dish that transforms simple toasted bread into a rich and savory delight. This recipe combines a creamy cheese sauce with a hint of mustard and worcestershire sauce, creating a comforting and flavorful topping for your toast.
While most of the ingredients for this recipe are common pantry staples, worcestershire sauce might not be found in every household. This tangy and savory sauce adds depth to the cheese mixture. If you don't have it, be sure to pick up a bottle at the supermarket.

Ingredients For Real Welsh Rarebit Recipe
Butter: Adds richness and helps create the base of the sauce.
All-purpose flour: Thickens the sauce to the perfect consistency.
Milk: Provides a creamy texture and balances the flavors.
Sharp cheddar cheese: The star of the dish, offering a strong and tangy cheese flavor.
Dijon mustard: Adds a subtle kick and enhances the overall taste.
Worcestershire sauce: Brings a unique umami flavor that deepens the sauce.
Bread: The vehicle for the delicious cheese sauce, best when toasted.
Technique Tip for This Recipe
When making the cheese sauce, ensure you whisk the flour and butter mixture continuously to avoid lumps. Gradually adding the milk while whisking helps achieve a smooth consistency. For an extra depth of flavor, use a sharp cheddar cheese and let it melt completely before adding the dijon mustard and worcestershire sauce.
Suggested Side Dishes
Alternative Ingredients
butter - Substitute with margarine: Margarine can provide a similar fat content and texture, making it a good alternative for those avoiding dairy.
all-purpose flour - Substitute with whole wheat flour: Whole wheat flour adds a nutty flavor and more fiber, though it may slightly alter the texture.
milk - Substitute with unsweetened almond milk: Unsweetened almond milk is a good non-dairy alternative that maintains a similar consistency.
sharp cheddar cheese - Substitute with gruyere cheese: Gruyere offers a similar melting quality and a rich, nutty flavor that complements the dish.
dijon mustard - Substitute with whole grain mustard: Whole grain mustard provides a similar tanginess and texture, adding a bit more visual interest.
worcestershire sauce - Substitute with soy sauce: Soy sauce can mimic the umami flavor, though it will lack the complexity of Worcestershire sauce.
bread - Substitute with sourdough bread: Sourdough bread adds a tangy flavor and a chewy texture, enhancing the overall dish.
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How to Store or Freeze This Recipe
- 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 ready to use, reheat gently over low heat, stirring constantly 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.
- To reheat the cheese sauce, place it in a saucepan over low heat. Stir frequently to ensure it heats evenly and doesn't separate.
- If the cheese sauce appears too thick after reheating, add a splash of milk to reach the desired consistency.
- Store the toasted bread separately. Keep it in an airtight container at room temperature for up to 2 days to maintain its crispness.
- For a quick meal, toast fresh slices of bread and pour the reheated cheese sauce over them. This ensures the bread remains crispy and the cheese sauce is perfectly warm and gooey.
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. Bake for about 10-15 minutes, or until the cheese sauce is bubbly and the bread is heated through.
For a quicker method, use a microwave. Place the Welsh rarebit on a microwave-safe plate and 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 it heats evenly.
If you prefer a stovetop method, heat a non-stick skillet over medium-low heat. Place the Welsh rarebit in the skillet and cover with a lid. Heat for about 5-7 minutes, or until the cheese sauce is melted and the bread is warmed through, flipping halfway if necessary.
For an extra crispy texture, use a toaster oven. Set it to 350°F (175°C) and place the Welsh rarebit on the rack. Toast for about 5-10 minutes, or until the cheese sauce is bubbly and the bread is crispy.
Best Tools for This Recipe
Saucepan: Use this to melt the butter and cook the cheese sauce.
Whisk: Essential for blending the flour into the butter and for ensuring a smooth sauce.
Measuring spoons: Needed to measure out the butter, flour, mustard, and Worcestershire sauce accurately.
Measuring cup: Use this to measure the milk and grated cheese.
Grater: Grate the sharp cheddar cheese to ensure it melts smoothly into the sauce.
Toaster: Toast the bread slices to provide a crispy base for the cheese sauce.
Spatula: Useful for stirring the cheese sauce and ensuring it doesn't stick to the bottom of the saucepan.
Cutting board: A surface to place the toasted bread before pouring the cheese sauce over it.
Knife: Handy for cutting the bread if you need to trim or slice it before toasting.
How to Save Time on Making This Recipe
Pre-measure ingredients: Measure out butter, flour, milk, cheese, mustard, and worcestershire sauce before starting 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 have everything ready at the same time.
Whisk efficiently: Use a balloon whisk for quicker and smoother blending of the flour and milk mixture.

Real 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 butter in a saucepan over medium heat.
- Add flour and whisk until smooth and bubbly.
- Gradually add milk, whisking constantly until thickened.
- Stir in cheese until melted and smooth.
- Add mustard and Worcestershire sauce, stirring to combine.
- Pour cheese sauce over toasted bread and serve immediately.
Nutritional Value
Keywords
Suggested Appetizers and Desserts
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