Popsugar Family Meal Prep Slow Cooker Meal Prep Recipes 15 Slow Cooker Meal Prep Ideas You'll Want to Master ASAP July 16, 2018 by Rachel Fendel First Published: January 9, 2018 View On One Page Photo 13 of 16 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 13 Chicken Portobello This slow cooker chicken portobello couldn't get any easier — it calls for only 3 ingredients! Previous Next Start Slideshow Meal PrepFamily LifeFood NewsRecipesBack To SchoolCookingSlow Cooker