Any plain text box can be adjusted for left, right or center alignment within the text box.
Select the text box on the template.
On the red toolbar, click on the Align button.
Select the left, right or center option.
The text will update on the canvas.
When working with menu text, the alignments of your item fields are defined by the Layout setting in the left panel. Choosing a different Layout will automatically update the text alignments for all fields.