We're also in the throes of daycare/dinner/bath/bed.. with some big kid evening activities thrown in the mix, too, which means husband and I have to tag out and keep cooking the meal/watching toddler while the other goes to collect a child.
We eat a lot of rice-based things, and invested in a nice zorijushi (?) rice maker. It's been 100% worth it, because rice will keep in it nice and fluffy for 2 days (probably longer, that's as long as we've tested it).
Things we eat frequently, using rice as a base:
-Curry. We don't get fancy at all - just ginger, garlic, potatoes, carrots, broccoli, chick peas softened in the skillet... add a can of coconut milk and curry paste to taste. It's 30min maybe, then serve over rice. If someone has the time/effort, pan cooking some tofu to add in is good, too.
-Burritos. (the hardest/longest thing here is assembly bc we get "fancy" with cilantro, quick-pickled onions, lime, avocado, etc.) We don't usually have meat in them, usually it's black beans and seasoned sweet potatoes or tofu leftover from something else.
-Lentils. We get the box of Madras Lentils from Costco; the ingredient list isn't bad, they're low in sodium, and microwaving a couple pouches to just dump over rice, served with some steamed broccoli is a nice 10min meal.
Not rice-based, but easy and keeps well: chili. I will make a BIG batch on a Sunday (because it's lots of chopping and simmering for flavor), and it's good for at least that night and however many other nights you want to eat it (or you can freeze the rest and just need to remember to thaw it ahead of using it. On the leftover nights there, the only 'cook time' item is how long cornbread muffins take in the oven.
If you specifically want sheet pan things: Smitten Kitchen and The Modern Proper have a lot of good sheet pan and skillet-based 'one pan' or 'one skillet' meals.
Also, as mentioned above, get a roaster chicken from the store and that's good for, like, 3 meals. Two meals of meat (chicken and veggies, leftover shredded chicken in burritos) and then the carcass makes great broth.
...and when all else fails, thank goodness for Trader Joes frozen stuff.
