Being a serial dieter I would recommend slimming world. I always come back to it from weight watchers, Atkins dukan, you name it I've tried it.
Slimming world allows you to make choices, there is no 'bad food' .its designed for you to eat for life.
the extra easy plan will fit in with your family and it allows for big appetites.
this is me.
I found n Atkins it wasn't sustainable. Life without carbs isn't fun. I lost weight but out it back on.
I explained this on another question last week maybe it might help.
Here's the basics.
If you can cook for your family now, you can quite easily slimming world the recipes, no extra books need really.
You get online access if you attend group, there's also fb groups within classes.
You eat free foods, lean protein, eggs, fish, non fat yogurt fromage frais. Then add free forms of rice pasta grains potatoes , then add in one third of your plate with free vegetables, the more the merrier. Its all free if you don't add fats & oils. And as much fresh or frozen fruit you can eat - but not cooked.
You have 1 portion of milk or cheese a day plus 1 portion of measured fibre rich bread, cereal or cooked fruit a day. These are called healthy extras a & b. One of each.
Snack on any free food you like not just fruit or veg. You might like crab sticks dipped in banana, its freesmile
You get a treat allowance called syns - between 5 & 15 a day, to spend on wine biscuits chocolate mayonnaise. Anything that's not free or hex choices.
A day could look like,
B - scrambled egg with 60g of wholemeal bread toast, hex b choice.
L- baked potato with big salad, sliced ham & 30g of cheese. Hex a.
D- spaghetti bolognaise followed by fruit salad and 0% yogurt.
Snacks, a banana some crab sticks, a chicken leg all free.
Then a glass of wine 5 syns and a 2 finger KitKat 5.5syns