Indonesian layer cake. It is rich but taste heavenly. A little goes a long way

I only ever know to make custard with the yolks but not 12 eggs worth

You can use these yolks as a hair mask also you can use these in any other recipe which make only with egg yolks

Mayonaise, custard??, or add it to a quiche or frittata

Mayonnaise or custard are the first things that come to mind.

Did you see the lemon biscotti recipe on here. It calls for 8 yolks….
it’s yum

Home made mayonnaise uses just yolks. There’s also a custard recipe for just yolks, is lovely on a pavlova

yolks are a great binder you can make frittata using yolks, any patties, you could even make cake using only the yolk.

Creme brulee
Omelette with just the egg yolk is good

Gingerbread biscuits often need egg yolks only. Or add them to one r two eggs to make yolks scrambled gigs.

You could make Hollandaise sauce or Lemon butter

Use them in cakes , biscuits , home made custard the best.

What about Duchess Potatoes? Just 2 yolks but it’s a start! But you could more and freeze them. https://www.taste.com.au/recipes/duchess-potatoes/c1d62843-e294-4025-88cd-389b8b0441c5

Forgot to mention custard. Great for Christmas and if you make it from scratch you need egg yolks.

Caramel or caramel tart absolutely delicious it’s what I make whenever I make a pavlova.