Cheap Foods List:
Oatmeal

Pasta (Many Kinds)
Pasta Sauce
Top Ramen (change up the sauce, meat, or make into a cold salad)
Eggs
Beans (dried or canned)
Bread
Peanut Butter
Jelly
Cheese (grilled cheese sandwiches)
Hot Dogs
Canned Soups/Veggies
Tortillas (Eggs, Lunch Meats, Rice/Cheese, Meats(Wraps)
Pancake Mix
Syrup (on sale or Dollar Tree)
Lastly, lets not overlook spices. Spices can elevate your meals to whole other level of enjoyment and satisfaction.
Tip:
1. Canned Chili will serve well with Hot Dogs also on Baked Potatoes, or inside a fajita wrap with rice/cheese

Sale Only items:

(Apples can be made with Peanut Butter as a treat).
Save Gas run all errands on 1 trip. You will need to organize yourself, coupons, list for a effective day.
There are a ton of recipes online,library, and in books you may have in your library at home. Its time to open them up and make something new with what you have at home.