PANTRYFLEX

simmer · dressing

★ STARRED KITCHENPrep 5 minCook 15 min

Sweet Mustard Sauce

Independent adaptation of a publicly published Mark Kempson recipe. Not affiliated with, sponsored by, or endorsed by Mark Kempson.

DRESSING · SCORCHED MACKEREL & SMOKED EEL

A dressing for scorched mackerel & smoked eel.

Kempson's sweet mustard sauce.

On the jar

SWEET

Method
simmer
Yield
about ¾ cup
Ingredients
6
Jar batch
1.15× recipe
Add to a jar

Ratio

Ratio by volume: W.WINE VINEGAR 100 ml, CANOLA OIL 50 ml, DIJON 15 ml, CREAM 10 ml
W.WINE VINEGAR 100 mlCANOLA OIL 50 mlDIJON 15 mlCREAM 10 ml

Ingredients

  • Sugar6 Tbsp (75 g)
  • White Wine Vinegarabout 6 Tbsp (100 ml)
  • Dijon Mustard1 tbsp of Dijon mustard, heaped (15 ml)
  • Cream2 tsp single cream (10 ml)
  • Saltabout ¼ tsp (2 g)
  • Canola Oilabout 3 Tbsp (50 ml)

Method

  1. Pour to the lines in order (bottom → top): W.WINE VINEGAR, CANOLA OIL, DIJON, CREAM.
  2. Shake-to-line (dashed marks): add SUGAR. Spoon in, shake, and top up until the settled level reaches each dashed line.
  3. Season to finish: SALT (to taste).
  4. Cap the jar and shake until combined.
  5. Pour into a cold pan and bring to a gentle simmer. The jar stays off the stove. Cool leftovers briefly before they go back in the glass, then refrigerate promptly.

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The ratio lives in glass now.

You found this recipe once. On a PantryFlex jar it's printed in glass. 6 ingredients poured cold, shaken, then warmed; no measuring cups on a Tuesday.

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Provenance

Mark Kempson works in Modern British / seasonal at Kitchen W8; credentials include Michelin 1* (Kitchen W8, London).

More from this kitchen

FAQ

Can this go in a shake jar?

Yes, with one pan. Its liquids pour to the printed fill-lines and shake cold; the mix then goes into a pan to simmer. The jar itself never touches heat.

What do the quantities mean?

This page lists the published recipe in household units (with metric in parentheses). A PantryFlex jar makes a 1.15× batch of it. The jar's printed lines, counts, and QR guide are already scaled to match, so follow the jar or this page, not a mix of both. Amounts in the jar’s ADD row are rounded to the nearest common spoon measure (T = tablespoon, t = teaspoon) so they can be read off the glass.

Where did this recipe come from?

Adapted from Mark Kempson / Great British Chefs (scorched mackerel, Kitchen W8) (published as “Sweet Mustard Sauce”). Full citation lives in Provenance.

What if it separates?

Oil and acid emulsions can separate in the fridge; that's the fat solidifying, not spoilage. Cap the jar and shake, or let it sit at room temperature a few minutes first, then shake again.