Automated food planning and grocery list

I am responsible for making the shopping list of the week, and then my partner buys the grocery. This has not been working, because just making the complete list takes about two hours. To make my life simpler, I have made an excel application with dinners we enjoy, that then computes to a grocery list. Mission completed, at least half of the time saved! Next thing is to make sure that the dishes on the list are easy and fast to cook...