Lettuce, cucumbers...you can make salads or dip your cucumbers in ranch. Skinless chicken is good protein ... Same with eggs. You can make omlettes. Beans are good fiber. Maybe you could make chicken tacos, chicken fried rice.
Oh and snacks like yogurt, apples and peanut butter, granola bars.
Look around online for pregnancy healthy recipes and lists of foods. I made a few things I found online.
I love rice cakes, string cheese, cottage cheese, yogurts, carrot sticks, cucumbers, grapes, bananas, peanut butter,