PANTRYFLEX

shake · egg emulsion

★ STARRED KITCHENPrep 5 min

Reuben Mustard Mayonnaise

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

SPREAD · SANDWICHES & CANAPÉS

In the published recipe, this is the spread for Reuben crispbread canapés.

Welburn's mustard mayonnaise for Reuben canapés.

On the jar

REUBEN

Method
shake
Yield
about 1½ cups
Ingredients
3
Jar batch
0.75× recipe
Add to a jar

Ratio

Ratio by volume: MAYO 316 ml
MAYO 316 ml

Ingredients

  • Dry Mustard40 g
  • Mayoabout 1¼ cups (316 ml)
  • Saltsalt to taste

Method

  1. Pour to the lines in order (bottom → top): MAYO.
  2. Shake-to-line (dashed marks): add DRY MUSTARD. 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 emulsified.

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It breaks. The shake fixes it.

You found this recipe once. On a PantryFlex jar it's printed in glass. If it separates in the fridge, cap it and shake; the ratio is already right, it just needs remixing.

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Provenance

Paul Welburn — published sauce recipes in the PantryFlex catalog. Michelin 1* (Rhodes W1 / The Oxford Kitchen, historical as head chef).

More from this kitchen

FAQ

Can this go in a shake jar?

Yes. Its liquids pour to printed fill-lines, so it can be one of the sauces on a PantryFlex jar.

What do the quantities mean?

This page lists the published recipe in household units (with metric in parentheses). A PantryFlex jar makes a 0.75× 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 Paul Welburn / Peter's Yard (Reuben crispbread canapés) (published as “Reuben Mustard Mayonnaise”). Full citation lives in Provenance.