First - you must make and freeze cookie dough balls. Make dough, roll into balls, freeze on a cookie sheet and place into freezer bag. I use these to supplement paying babysitters 😊 And also to grab at 4pm to satisfy myself.
Here: I LOVE the chicken curry on this one. Pretty sure I forgot the mango. That probably makes it cheaper to leave it out. I also never use chicken thighs, but that's just me. We are boneless skinless people. Healthy Mamma BBQ is okay, but you have to add some vinegar and sugar to it to make it decent, which makes it less healthy.
http://www.mamaandbabylove.com/2011/04/05/freezer-cooking-with-slow-cooker-recipes/
Travis LOVES the worlds best chicken on this one. And if you do a cilantro lime / chicken taco one ever, just know that you're gonna want to add in cheese or sour cream or avocado when you dish it up. They are good but turn out a little dry.
http://www.overthebigmoon.com/freezer-meals/
We don't really make sandwiches and I don't do anything (besides meatballs) that you have to cook before you freeze. That kind of takes the easy out of it for me. If the chicken is turning out dry, just shred it and serve it with rice, or put cheese on it. Flank steak seems to be a good player. I keep a good stash of frozen veggies on hand too for sides.
It's easiest to start with one of the "30 meals in 4 hours" kind of things. Just scale it back a bit if that seems crazy. But that might help you get the idea of what you're going for in a system for next time. Good luck!