Is anyone familiar with what this might be?
Sent by Alaina
Editor: Alaina, I think that the cheese you're looking for is queso fresco — a squeaky, salty farmer-style cheese found at Latin American groceries (and in some mainstream grocery stores as well). Here's a little more about it:
It is also extremely easy to make at home. You can try making it with part goat's milk and part cow's milk for a really authentic flavor.
Readers, any more tips for Alaina?