Other bland foods, such as a plain baked potato or a bowl of chicken broth, might also alleviate your nausea. Try cold foods such as salads, sandwiches, raw vegetables and fruit. Watermelon and lemons are top fruit choices for easing the nausea associated with morning sickness.any pregnant women experience nausea throughout the day. Add certain foods to your pregnancy diet to curb nausea and provide your unborn baby with nutrients essential for healthy growth and development.