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Yukon gold, russets, desiree, sebago are all good, but anything that really mashes works well. Main thing is to bake not boil the potatoes.

2.5 kg of mashable potatoes

Ah yes sorry...you said it in you post and i guess i wasnt paying enough atention. I think....I might try this tomorrow (well since 1 am, today).

ty!

Always a pleasure atopy, let me know how it all turns out.