5. Lentils
This nutritious superstar packs a high fiber punch with 32 percent of total daily fiber needs met in only half a cup. Additionally, lentils provide a good source of iron (about 15 percent of your daily needs), another nutrient of concern, especially for active females undergoing intermittent fasting.
6. Potatoes
Similar to bread, white potatoes are digested with minimal effort from the body. And if paired with a protein source, they are a perfect post-workout snack to refuel hungry muscles. Another benefit that makes potatoes an important staple for the IF diet is that once cooled, potatoes form a resistant starch primed to fuel good bacteria in your gut.