Too expensive and takes too much time to eat at home
Yes, and no. First of all, have you bought a Big Mac lately? Fast food aint so cheap these days. And, again, Type 2 Diabetes is not cheap either.
Meal planning apps
Go ahead and search "meal planning apps", see if there is one that looks good to you. We recommend "Mealime". It has a free version and a $3/month version and it makes the whole process easier. Search meals by "Budget Friendly" and "Quick and Easy", pick the meals, the app generates a shopping list (which you can modify based on what you already have at home, and will even connect to some major groceries for pick up or delivery.
Do it for a week! See what you think!