From Full Edit (Expert Mode in PSE11) use the menu:
File >> New >> Blank File
Set your width, height and resolution of 72 for web or 300 if printing and then select a background color and click OK.
Select the T tool, choose font, size and color from the pull down menu.
Click on the blank document and type your words, hit the green checkmark when finished, drag the corners of the bounding box if you wish to scale/re-position and then save.