I only have a bit of advice, and no recipes since I believe you can create your own.
Locally grown and seasonal produce are normally sold at a cheaper price.
Barley, couscous, legumes and brown rice are healthy and go far in a recipe.
It is sometimes difficult to stay disciplined, but when you have fresh fruit or vegs in the house it's easier to use them than to throw them away knowing you are thowing your money away with the product.
I'm a hoarder. I load up on items which are on sale which I know I will use. I make a bit more than I need and feeze the rest in individual containers for a quick lunch or dinner when I haven't the time to cook.
Nothing is cheap nowadays, so I tend to go to the dollar stores for items which are good quality but at a lower price (usually the price is lower since the box is dented, etc.). Nothing wrong with the product though.
I've learned to cook a lot of things which I normally went out for since it's cheaper and I can control the spice factor.
Good luck. We all need help.