Where are the RestroFood settings options?
Go to Admin -> RestroFood

Go to Admin -> RestroFood

To create google API key visit the link https://console.cloud.google.com/ and login with your google access. After that, you need to create a project for API credentials with some Library permission. Follow the screenshot below: Library Support: Key Restrictions:
You will find the print button in the order details popup:
Follow the screenshot to get invoice settings options.
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Set list type and min/mix required option. If you don’t set min or max required number this items are not required for the product to add to cart.
To add product nutrition information follow the screenshot : Preview:
No products in the cart.