Millionaire's Shortbread — Ad-Free Recipe, Ingredients First

Three layers, each with its own trick: a crisp shortbread base baked pale, a caramel cooked to 235F soft-ball so it sets sliceable, and tempered chocolate on top that snaps clean. Cool each layer fully before adding the next or they slide.

The Ingredients — and where to get them

Cook for 16 bars

Flour

Builds the shortbread base; all-purpose gives a crisp, tender crumb.

2 cups

Source it →

Butter

The bulk of the shortbread and the caramel; use a good salted butter.

1 1/4 cups

Source it →

Sugar

Sweetens the shortbread; more cooks into the caramel.

1 cup

Source it →

Condensed milk

The body of the caramel; a full can cooks to a chewy set.

1 can

Source it →

Dark chocolate

Tempered for the top so it snaps clean; use a good bittersweet bar.

8 oz

Source it →

Corn syrup

A spoonful keeps the caramel smooth and stops it crystallizing.

2 tbsp

Local / market

The Rundown

Greedometer ●●●●● A fair little treat

A reasonable little indulgence.

EffortA project

Cook it with

Air fryerSheet pan

The Method

Bake the baseRub butter, flour, and sugar into a dough, press into a lined pan, and bake at 350F for 20 min until pale gold.
Cook the caramelMelt butter, sugar, and condensed milk together and boil gently to 235F soft-ball, stirring constantly so it does not scorch.
Set the caramelPour the caramel over the cooled base and chill until firm.
Temper the chocolateMelt two-thirds of the chocolate to 115F, then stir in the rest off the heat to bring it to 88F so it sets with a snap.
FinishPour the tempered chocolate over the set caramel, let it firm at room temp, then cut into bars.

The Toolkit

Baking pan · Heavy saucepan · Candy thermometer · Parchment paper · Offset spatula · Sharp knife

Straight Answers

Can you make Millionaire's Shortbread in an air fryer? — Yes

Yes — bake it in a small pan or dish that fits the basket, at about 25°F below the recipe temperature. Air fryers run hot and fast, so check it early; no flipping needed.

Can you freeze Millionaire's Shortbread? — Yes

Yes — freeze it well-wrapped, then reheat or toast straight from frozen. Frost or glaze after thawing.

Can you make Millionaire's Shortbread ahead of time? — Yes

Yes — bake it a day or two ahead; it keeps well-wrapped at room temperature and freezes cleanly. Add any frosting or glaze close to serving.

Is Millionaire's Shortbread gluten-free? — Not as written

Not as written — it contains gluten. Make it gluten-free: swap in a gluten-free flour blend (check the other labels too).

Is Millionaire's Shortbread vegan? — Vegetarian, not vegan

It’s vegetarian but not vegan as written — it has dairy. Make it vegan: use plant milk, oil, or a vegan cheese for the dairy.

Community Notes

Cooked it? Changed something that worked? Leave a note for the next person — first-name basis, no account.

Loading notes…

More British recipes

English Toffee Beef Wellington Yorkshire Pudding Bubble and Squeak Haggis Cullen Skink

All British recipes → · Browse all 1433 →

Some ingredient and tool links are affiliate links — if you buy through one, 5best2buy may earn a small commission at no extra cost to you. It never costs the maker anything, and it never decides who we recommend. The list is the list.
© 2026 5best2buy.com · Recipe No.690

Millionaire's Shortbread, and where to source it