Pre cooking lean meats (watch for sales!) then freezing them in food saver type bags saves time, makes meal prep easy! Lean ground turkey, BBQ'd London Broil or boneless/skinless chicken breast thinly sliced. Freeze into meal-sized portions for your family (my bags serve 2)
Choosing a few snacks that are enjoyable, healthy, and easy to fix. I repeat the snacks each day. Seems like I'm never hungry since trying this.