[fbelzile]

> We will probably need to highlight that we pay a higher wage for baristas & cooks to account for the lack of tips, and give customers an option to donate to a charity if they still wish to part with additional money.

Yes, after the total confirmation (including tax if you can), where you'd normally be asked to tip, you should see if it's possible to display the no tip policy and higher wage explanation.

You could also tell customers that your business is donating to certain cause at this point. Just don't pass on the burden of deciding whether or not to donate to your customers. Another option is to dedicate certain profits from a specific product to a cause and note that on your menu.