That depends on how much you currently weigh. Try eating small meals through out the day instead of focusing on fewer large meals. Stop worry about how much you will gain. If you're thin and you aren't gaining, the baby might not get enough nutrition from you and it could also affect your own...
I'm probably going to be making talapia and I want something that's light. I was thinking if anyone has a good Mexican recipe for it (not fish tacos please and no ceviche since I'm pregnant). It's going to be served with a tomato, cilantro and onion salad. So, something that's complimentary...