Nuts and Seeds While you should stay away from nutty snacks that are packed with sugar, plain nuts and nut butters are a key part of the plan. Spread the nut butter on whole-grain toast or fruit for a quick, healthy snack. Walnuts Almonds Cashews Peanuts Hazelnuts Pumpkin seeds Sunflower seeds Pine nuts Pistachios Pecans Chestnuts Macadamia nuts Brazil nuts Image Source: Unsplash / Vitchakorn Koonyosying