Egg muffins. You need to be able to prepare it, but can be made ahead of time. Divide sausage into muffin tin, bake 10 min. Cover with chopped veggies, eggs, cheese as desired. Bake 20 min. I've found these can last about 3-4 days in the fridge. Pop in microwave for 30s to reheat. Could make coconut flour pancakes on the weekend as well.
Use your crockpot (or get one) for dinners. Can make dinner take only 15-20 minutes to throw together and your hubby could even help with it the night before.
Keep easy, primal snacks on hand. If you eat cheese, it's a little easier. Nuts, fruit, cheese. You could even cook up a bunch of chicken and just grab chunks of it to eat. You'll need to use your weekends to do some planning and cooking.