Yes - pasta, rice and potatoes are syn free - as long as they aren't the fresh pasta, or microwaveable packs of rice like Uncle Bens, etc.
By all means ask for Syns for things on here! That's why we're here
If you can name brands and the product names, one of us will find them
Soya mince seems to be syn free
Would need more info to narrow down Syns for the other things though
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