I'm a single mom to a busy five year old and we are a mainly non-processed household, so I get it! You don't necessarily need to look up "freezer meals." Most recipes freeze well - just make an entire family sized dish, look at the number of servings, and divvy it into that number of containers, label, and freeze.
The easiest things to freeze are in liquid (stew, chili, soup) but pasta dishes, rice dishes, and casseroles also freeze just as well. In order to freeze the casseroles, I often let them freeze for a few hours until solid, but not completely frozen, cut into number of "square portions" then put the squares into gallon ziploc bags, side by side. That way I just take out one serving at a time.
Two of my five year old daughter's favorite foods that I pull from the freezer are cooked homemade squash/chicken nuggets or zucchini/turkey meatballs.
Squash chicken nuggets: Mix 1lb ground chicken, 2 grated yellow squash (squeeze water out) and 1 egg. I season with a bit of adobo, but you can use salt, pepper, whatever you want. Form into chicken nugget shapes, bread in whole wheat panko, and bake at 425 on a lightly sprayed cookie sheet for about 15 mins.
Zucchini turkey meatballs: mix 1lb ground turkey, 2 grated zucchini (squeeze water out), 1 egg, grated Parmesan and Italian breadcrumbs, I use adobo too, form into meatballs and bake at 425 for about 15 mins.
For freezing: Let cool and use a spatula to make sure the nuggets/meatballs are not stuck to the cookie sheet. Freeze on the cookie sheet for about four hours or until solid. Transfer the food into labeled freezer bags. This way you can take out as many as you want at a time and they're not stuck together. You can microwave them, use a pan, or even the oven before serving.
I make freezer burritos for us similarly in that I cook the filling, fill high fiber wraps, then sprinkle with cheese and roll into burritos. Freeze them unbaked on a cookie sheet. Once frozen, you can transfer to a freezer bag. When I'm ready to eat, I warm it somewhat in the microwave and brown it in a dry pan for a crispy burrito. You can make these with meat, veggies, beans, whatever - even breakfast burritos with eggs, lean meats, cheeses, and veggies. They can be a lifesaver for the morning!
I have successfully frozen cauliflower macaroni and cheese as well, which is helpful with the little one, though I usually just whip up two servings if she asks for it, and refrigerate the rest.
I freeze tomato sauce, BBQ sauce, enchilada sauce, etc in jars so I don't need to constantly make it. One goes in the fridge, the rest in the freezer.
Mason Jar Meals
