Ready, reset, go: our Flat-Belly Challenge  has 21 days of belly-blasting workouts, tips, and recipes to help you start a new season on a fresh note. Day 15 consists of a 30-minute interval workout followed by a refreshing papaya ginger mint smoothie.
Image Source: POPSUGAR Photography / Kat Borchart
Treadmill Interval Workout
For a quick workout that torches calories, tackle today's 30-minute treadmill interval workout. This boredom-busting workout will burn belly fat and leave you feeling energized for the week ahead. Click here for an image-free printable version  of this workout.
Papaya, Ginger, and Mint Smoothie
Image Source: POPSUGAR Photography / Leta Shy
Feeling wiped after a weekend full of rich and delicious meals? If you've been feeling tired and in need of a body boost, prepare this delicious and debloating papaya ginger mint smoothie . With stomach-calming ginger and mint, plus the probiotics in Greek yogurt, it will help relieve digestion and flush out toxins, leaving you feeling refreshed. If you've enjoyed an indulgent weekend, this smoothie is a perfect way to wind down.