One of the amazing things about intermittent fasting is there are no restrictions on what you can eat during your eating window. You can eat whatever foods you like, including the ones you may have cut out when trying to lose weight in the past. Since you're saving calories by fasting during certain times of the day, you won't feel guilty about eating pizza or ice cream or having a glass of wine.
That being said, you'll have the best results if you focus on mostly healthy, whole foods. Avoid refined carbs, sugar, and fast food, and load up on the lean proteins, healthy fats, and fresh fruits and veggies. If you have medications or vitamins, take them during this time.
You can structure your meals and snacks however you like during your eating window.
Just make sure you eat enough during your eating windows, meaning eating until satiation (but not overeating). This will help you feel more satisfied when you're fasting.
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