- Oil separated (sauce split).
- Overheated. Remove from heat, add a tablespoon of cold water or cream, and whisk wildly until it comes together.
- Too sour.
- Wine acidity dominates. Add a little more butter or cream to balance.
Lemon & dill butter sauce (Beurre Blanc style)
This sauce builds on French 'Beurre Blanc' technology, but with a small safety net. Classic butter sauces are unstable: if overheated, they split into oil and protein. Here cream acts as an emulsifier, helping bind fat and water (wine), giving us a silky, rich, yet stable sauce. Dill freshness perfectly counterbalances butter richness.
Ingredients
100
g
Butter (cold, cubed)
100
ml
Double cream (min 30% fat)
50
ml
Dry white wine
1
head
Shallot (or red onion)
1
bunch
Fresh dill
1
tbsp
Lemon juice
Shopping List (0)
Equipment Needed
- Whisk: Essential for creating emulsion.
- Heavy-bottomed saucepan: For precise temperature control.
Allergen Information
Milk
Sulphur dioxide
Instructions
1
✓
Chop shallot as finely as possible.
Tip: We don't want large onion pieces in silky sauce.
2
✓
Place onion and white wine in saucepan. Boil until wine almost completely evaporates, leaving only wet onion pulp (approx. 1-2 tbsp).
Tip: This is called reduction. Water leaves, flavour concentrates.
3
✓
Pour in cream, and reduce by half with gentle boiling.
Tip: Cream is the stabiliser here. If thick enough, it will 'hold' the butter.
4
✓
Lower flame to lowest (or remove from heat). Add cold butter cubes in 2-3 batches, whisking continuously.
Tip: This is called mounting (monter au beurre). Cold butter melts slowly, creating creamy emulsion instead of oil.
5
✓
Do not let boil! Just let butter melt in.
Tip: If it boils, emulsion splits.
6
✓
Remove from heat permanently. Stir in chopped dill and lemon juice.
Tip: Add lemon juice only at end, as acid can curdle cream during boiling.
7
✓
Serve immediately.
Tip: This sauce doesn't wait. If heating needed, only do so over lukewarm water bath.
Recipe FAQ
Ingredients
- 100 g Butter (cold, cubed)
- 100 ml Double cream (min 30% fat)
- 50 ml Dry white wine
- 1 head Shallot (or red onion)
- 1 bunch Fresh dill
- 1 tbsp Lemon juice