Coffee shop recording VAT

This coffee shop has VATable nd non VATable sales which they are able to record on their cash register. Shop also pays for expenses in cash so they were going to use the petty cash upload option to record sales less expenses. Posting Sales to Income and expenses accordingly and VAT to Vat account Balance Sheet.
Can QF picked up VAT for completing the VAT returns if they don’t use the Sales and purchases modules?
If this isn’t possible is there a simple solution without complicated journals

The VAT return references sales and purchase invoices. You would need to enter the daily/weekly takings on an invoice and itemise the invoice so that the vatable and non-vatable totals are expressed on different lines.

Here’s a screenshot from the above guide that illustrates this:

Log the purchase invoice and then log the payment to ‘Petty Cash’: