Enjoy Delia Smith Onion Sauce, a delectable and uncomplicated condiment made with butter, plain flour, milk, sliced onions, and a touch of parsley. In just fifteen minutes, you can whip up this gastronomic delight that will feed two. Simmer, stir, and melt,a simple symphony that yields a tasty result.
More Delia Smith Recipe:
🤍 Why You’ll Love This Onion Sauce Recipe
- Explosion of Flavor: The blend of butter, milk, and onions creates a rich and savory taste.
- Quick Culinary Triumph: Craft this sauce in minutes for an instant burst of deliciousness.
- Versatile Pairing: Elevate various dishes with the delectable touch of Delia Smith Onion Sauce.
❓ What Is Delia Smith Onion Sauce Recipe?
Delia Smith Onion Sauce is made with butter, flour, milk, sliced onions, and a hint of parsley, Delia Smith Onion Sauce is a delectable condiment that elevates your dishes.

🧅 Ingredients Delia Smith Onion Sauce
- 40g butter
- 2 tbs plain flour
- 1 1/2 cups milk
- 1/2 onion sliced
- 1 tsp parsley to taste
🥣 How To Make Delia Smith Onion Sauce
- In a saucepan, melt the butter. Mix in the flour and whisk until the mixture begins to boil.
- Whisk in the milk slowly after taking the pan off the heat.
- Bring back to a boil while adding the onion.
- Bring to a simmer and cook for 2 minutes.
- Take the pot off the stove and garnish with chopped parsley, if desired.
💭 Recipe Tips
- Smooth Consistency: Whisk the flour and milk gradually for a lump-free texture.
- Onion Infusion: Allow the sauce to simmer with onions for a minimum of 2 minutes for optimal flavor.
- Parsley Garnish: Enhance the visual appeal and taste by garnishing with chopped parsley.

🍗 What To Serve With Delia Smith Onion Sauce?
Onion Sauce can be served with Grilled Chicken, Steamed Vegetables, and Pasta Delight.
🎚 How To Store Leftovers Onion Sauce?
- In the fridge: Store leftover Onion Sauce in an airtight container for up to 3 days.
- In the freezer: You can store leftover Onion Sauce for up to 3 months.
🥵 How To Reheat Leftovers Onion Sauce?
- In the oven: Place leftovers in an oven-safe dish, cover with foil, and heat for 15 minutes at 350°F.
- In the microwave: Leftovers Onion Sauce in a microwave-safe container and heat for 30 second.
- On the stove: Reheat leftovers Onion Sauce in a saucepan over low heat for 1 minutes.
- In the air-fryer: leftovers Onion Sauce an oven-safe container, and heat for 10 minutes at 350°F.
FAQ’S
How Do I Know When The Sauce Is Ready To Simmer?
The sauce is ready to simmer once you bring it back to a boil after adding the onion. Allow it to simmer for precisely 2 minutes, ensuring the flavors meld and the sauce achieves the desired consistency.
How Do I Prevent The Sauce From Burning?
To prevent burning, stir the sauce continuously, especially during the initial stages of melting the butter and mixing in the flour. Consistent stirring ensures a smooth sauce without any burnt taste.
How Can I Make It Spicier?
For a spicier kick, incorporate a pinch of cayenne pepper or chili powder during the simmering stage. Adjust the quantity based on your spice preference for a flavorful and mildly spicy onion sauce.
Can I Add a Touch Of Sweetness To The Sauce?
You can add a pinch of sugar to the sauce. Experiment with small amounts and adjust according to your taste preferences to achieve a well-balanced and subtly sweetened flavor.
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Delia Smith Onion Sauce Nutrition Facts
- Calories: 71
- Total Fat: 0.1g
- Saturated Fat: 0g
- Trans Fat: 0g
- Polyunsaturated Fat: 0g
- Monounsaturated Fat: 0g
- Cholesterol: 0.4mg
- Sodium: 91mg
- Total Carbohydrates: 18g
- Dietary Fiber: 0.1g
- Sugars: 18g
- Protein: 0.3g
- Calcium: 14mg
- Iron: 0.1mg
- Potassium: 19.3mg

Delia Smith Onion Sauce
Description
Enjoy Delia Smith Onion Sauce, a delectable and uncomplicated condiment made with butter, plain flour, milk, sliced onions, and a touch of parsley. In just fifteen minutes, you can whip up this gastronomic delight that will feed two. Simmer, stir, and melt,a simple symphony that yields a tasty result.
Ingredients
Instructions
- In a saucepan, melt the butter. Mix in the flour and whisk until the mixture begins to boil.
- Whisk in the milk slowly after taking the pan off the heat.
- Bring back to a boil while adding the onion.
- Bring to a simmer and cook for 2 minutes.
- Take the pot off the stove and garnish with chopped parsley, if desired.
Notes
- Smooth Consistency: Whisk the flour and milk gradually for a lump-free texture.
Onion Infusion: Allow the sauce to simmer with onions for a minimum of 2 minutes for optimal flavor.
Parsley Garnish: Enhance the visual appeal and taste by garnishing with chopped parsley.