TIP - Halal meat
Its relatively easy to find halal meat / chicken in perth including halal butchers.
Do note that eating out especially in a big group or family can be quite costly.
A good excuse to go western, steak or barbeque especially fresh Australian beef and lamb!
Recommended butcher / outlets (near airport)
* Belmont Grocery & Halal Meat
(8/224 Belmont Ave, Cloverdale WA 6105)
* Habib's Halal Meat Cannington
(27/53 Cecil Ave, Cannington WA 6107)
*spudshed at bentley plaza - 24 hour but lookout for mad butcher brand only with black halal logo (not prominent)
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Supermarket / shopping centres:
Look out for Steggles and Lilydale brand (chicken - fresh / processed)
If you are near Innaloo/ikea dropby to the steggles outlet shop https://www.stegglesfactoryshops.com.au/osborne-park
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Listing of halal butcher:
http://www.halalbooklet.com/halaldirectories.html
http://www.aussiemuslims.net/index.php?option=com_sobi2&catid=23&Itemid=49
Muslim directory (pdf):
https://www.google.com.au/url?sa=t&source=web&rct=j&url=https://www.tafeinternational.wa.edu.au/Documents/students-muslim-guide-perth.pdf&ved=0ahUKEwiYy6qQn_nWAhVCzlQKHYWtC3wQFggmMAA&usg=AOvVaw26cji3ntysRFnuQiZMSe1X
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Other Tips
If you intend to travel out of Perth or planning to have a bbq, probably it would be a good idea to buy / bring a freezer bag and get your halal meat in Perth.
Bring/ buy instant gravy packs and just add meat.
Selected butchers also sell pre- marinated bbq products.