Yes a very quick and crude one, but apply the principle to all recipes.
I've got 14 recipes, so two weeks, and costing up every single meal. Pancakes to feed a family consist of milk, oats, banana, and that's it, that is £2.60 per batch and they can be saved to reuse as a snack.
If you add maple syrup that's another £4 but you can get a bag of crushed nuts or just top it with banana or a cheaper syrup. So you have the basic that will feed you and then the fancy which you customise.
Lentil curry. It's a tin of tomaties, a tin of coconut milk, 1/4 bag of lentils, handful of rice, tin of kidneys, then spices. That's about £4 a batch and it will either feed 6 people or can be saved for later in the week. I will adjust costs for ingredients re-used, so while the bag of lentils was £2 say, it will make about four of the meals including lentil bolognaise which then brings the cost of that meal down.
The legwork of costing it all up is done with a view to making it super easy for a family to just use the book as a quick guide to shopping and cooking for two weeks.
It uses no meat or dairy and minimal processed foods but of course then you can add in these things to your budget.
My concept is a cookery course in a book which actually skills people up to being able to knock out decent meals in minutes, as I can, through sheer practise over many years of being a home cook because I enjoy it.
My aim is for every family to be able to provide nutritious meals for the family without a second thought about cost or difficulty.