I just started grad school this semester. But as part of my stipend contract, I am required to continue to apply to scholarships (although I don't need to win them). I have not been in grad school long enough for my advisor to know my work (in fact, we haven't even started on the research yet). So I would have to ask the two professors I previously asked for a LoR last year to write me another one. But I am afraid this will be really awkward since I haven't spoken to them in months and I feel like I'm just asking them to do me favours now. Especially since they are already aware that I am in grad school, and I will just be asking them to write me another letter. How do I phrase this email to them to prevent the awkwardness?
If you explain to them that this is part of your stipend contract that you are required to have these letters to apply to the scholarships, I am 100% sure noting that as well as a quick apology will eliminate any awkwardness.