Wow - you are either nesting big time, or you are figuring that you won't have friends & family stepping up to do this!
Okay - potatoes (sweet or Idaho or Yukon Gold, or a combination) plus some onions. Wash them ahead of time and let them dry thoroughly, then put them in a dark place and they will keep but be ready to prep. When you want to eat them, slice the potatoes in half the long way, then into wedges. No peeling. Quick peel the onions and slice into quarters. Throw the whole pile into a baking sheet, drizzle with a little olive or canola oil, and salt & pepper, toss gently. If the kids eat dill, you can throw some dried herbs on. Bake at 350 for about 25 minutes, roughly turning once - automatic oven "fries". If you have some fresh broccoli or cauliflower available at the time, you can add florets.
Chicken tenders - they defrost quickly - you can buy a family pack and separate them into enough for 1 meal, then freeze that way in flat ziploc bags. Make a low, flat bowl or pie plate with beaten egg and another with whole wheat bread crumbs (you can mix with half wheat germ if you like). season as you wish - S&P, parsley, etc. You can also mix some grated Parmesan in with the crumbs. Dump the defrosted tenders in the egg and smooth them around, then into the bread crumb mix, flip to coat both sides, and set them on a sprayed baking rack set into a cookie sheet. You don't have to be too neat - if there are extra crumbs, put them on top of the chicken. Bake 20 minutes or so at 350. The rack lets the heat circulate underneath so the chicken fingers cook faster and the crumbs stay on without getting soggy. If you line the baking sheet with foil, you lessen the clean up. Serve these with the potatoes above.
Same chicken tenders, marinated in soy sauce or teriyaki marinade for as long as you have. If you want to mix in some ground ginger, fine. Bake at 350 20 minutes. Serve with brown rice - if you start that ahead, by the time you take the chicken out of the marinade and put it on a baking sheet, it should all finish at the same time. I often replace some of the water in the rice with chicken broth or soy sauce to flavor it all the way through.
If you stock canned beans and tomato sauce/puree, and have some ground beef or ground turkey in the freezer, you can make quick chili or even enchiladas (spread the beans and cooked ground meat or even leftover chicken) down the center third of a large tortilla, add whatever you want to the middle such as chopped peppers and onion if you're in the mood to chop, or use frozen peppers, onions & corn. You don't have to defrost , just add a half a handful to each one. Fold up the 2 sides, lapping one slightly over the other, and "pin" with a toothpick. Put on a baking sheet, top with canned tomato puree and some shredded cheddar or any Mexican style cheese. Bake 350 about 20 minutes and the frozen stuff will heat through in that time. What I would do with 6 people is put 6 plates out on the counter and put a tortilla on each one. Then assembly line style, put a half palmful of each ingredient on each tortilla. When you put the enchiladas in to bake, just use those 6 plates at the table - they only held a clean tortilla so they're clean!
Pizza dough - throw everything on top and bake.
Get out a muffin tin (or 2) and put any little leftovers into each compartment (spray first with canola spray): onions, peppers, chicken, ham, chopped pepperoni, grated cheese, halved grape tomatoes, leftover veggies like spinach or broccoli, etc. Beat up some eggs with some milk, salt & pepper. Pour the egg mix into the muffin cups, bake until set and browned, then serve as little hand-held quiches (without crust). This also makes a good hand-held breakfast. The older kids can help putting stuff in the muffin cups so all you add is the eggs. Serve with English muffins or toast.
Sweet & sour meatballs - just use frozen regular meatballs (beef or turkey) but not the Italian or Swedish ones in the sauce. Mix half chili sauce (or ketchup or tomato sauce) and half currant jelly (or grape or apple). Whisk the 2 sauces together (microwave if you have to for the jelly to liquify a little), then dump it on the frozen meatballs and bake in a casserole, stirring once, for about 40 minutes. If you can defrost the meatballs beforehand or bake on a cooking sheet, they will cook faster than if they are crammed in together and touching. Serve over whole wheat noodles or regular noodles.
Carrots keep well in the fridge and can bake quickly in a casserole with a honey/ginger mix - you can use the baby carrots which require no peeling. For 1 pound of carrots, use 1/2 cup honey and 1/4 cup brown sugar, and 1/4 ground ginger if desired. Mix the honey and brown sugar (and ginger) - I put it in a pyrex measuring pitcher and microwave it briefly to heat and liquify the honey enough that it stirs okay, then I whisk it together. Pour it over the carrots in a baking dish and bake for 30 minutes at 350. They're sweet enough to please anyone. These can go with the Asian style chicken with soy sauce if you like.
Good luck - have a great delivery and a healthy baby!