As we all get busy with school and work schedules, having a handful of go-to crockpot dinners is a MUST!! This recipe is one our Paleo Challenge app user favorites.   Crockpot Flank Steak Fajitas Prep time: 15 mins Cook time: 6 hours Total time: 6 hours 15 mins Serves: 4 - 6 Ingredients 2