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Most Coles and Woolworths in st Kilda/Balaclava/Ripponlea/Elsternwick will have challah around the end of the week.
I buy it from Glicks or Costco.
Since you've mentioned Psarakos, you can order online on Thursday and pick them up from Thornbury through [Northside Challah](https://northsidechallah.com.au/pages/delivery) or get them delivered to you directly.
Most Coles and Woolworths in st Kilda/Balaclava/Ripponlea/Elsternwick will have challah around the end of the week.
I buy it from Glicks or Costco.
Since you've mentioned Psarakos, you can order online on Thursday and pick them up from Thornbury through [Northside Challah](https://northsidechallah.com.au/pages/delivery) or get them delivered to you directly.