The whites offer up protein with minimal calories (and zero fat or cholesterol). Egg yolks get a bad rap, but don’t skip them—they are awash with vitamin B12 and vitamin A, and they contain choline, a nutrient that’s particularly important for pregnant women.
Try this: Make a sandwich with whole-grain bread, sliced hard-boiled eggs, tomatoes, olives, anchovies, red onion, and a drizzle of olive oil. Or try Steak and Eggs With Seared Tomatoes.
This protein-rich winner is an acquired taste for some, but totally worth it. Chockablock with vitamins D and B12, it is also an excellent source of calcium and omega-3 fatty acids.
Try this: Toss chopped sardines into a salad of cucumbers, tomatoes, and fresh parsley.