He needs to take responsibility for prepping 50% of family dinners in advance each week. He can meal plan his. You sort yours.
But not all dinners take forever.
Chuck chicken thighs in the oven tossed in oil, garlic paste and herbs, with cherry tomatoes, chopped peppers ( can get ready cut frozen ones) baby new potatoes and olives. 5 mins prep. Cook for 35 mins.
Or pork sausages with chunks of carrot, fennel, red onion and potato wedges. Roast in a tray in a bit of cider. 10 mins prep. 30 mins bake.
Pasta, pesto ( or fresh pomodoro or carbonara) and salad. 5 mins prep. 10 mins cook.
Salmon baked with soy and sweet chilli, rice and steamed peas and broccoli. Prep time 5 mins. Cooking time 20 mins.
Baked potatoes with beans, cheese, salad. Long cooking time but easy prep.
Oven baked sweet potato fries With ready made chicken kievs or Oven bake battered or breaded fish, peas and carrots.
5 mins prep. 30 mins cook time.