You can survive on potatoes but not forever as you would get a mineral deficiency from eating only potatoes.
If you sustained on white potatoes or potatoes alone, you would eventually run into vitamin and mineral deficiencies
You can live off of bananas but not forever as you would still need other minerals and nutrients and vitamins to keep your body working properly.
However if all you had was bananas then eating the bananas is better than having no food at all.
You could live on milk but only for a short while since you would not be getting all the nutrients, vitamins and minerals you need from other food.
The 2 foods you can survive on include beans, such as red kidney beans, Pinto Beans and even black turtle.
You can also survive on potatoes, noodles, chicken, hamburger, vegetables and fruits.
To keep your grocery bill down buy cheaper foods and avoid brand name foods.
It's cheaper to buy generic food brands than name brand foods which are basically the same thing but you're paying higher prices for the name.
Buy the cheapest foods and use coupons when you can.
Also consider buying foods at a place that sells expired foods which can still be good but much cheaper.
Track your food expenses for one week.
Get cash back on grocery purchases.
Make a shopping list and stick to it.
Buy non-perishable items in bulk.
Make your own versions of prepared and processed foods.
Pre-cook food for the week.
Buy produce locally and in season.
Use a meal delivery service.
The meat that is cheapest is turkey, ground turkey, chicken legs, sausage and boneless chicken.
The cheapest and healthiest meal is fresh and smoked salmon terrine (good for brain and heart function).
Other good cheap and healthiest meals include.
Mixed leaf salad with Extra Virgin Olive Oil dressing (for maintaining cholesterol).
High-fiber multigrain bread roll.
Chicken casserole with lentils and mixed vegetables (good for iron absorption).
The cheapest food to survive on is rice along with Ramen Instant Noodles.
Other cheapest foods to survive on include.
Beans, Pasta, Lettuce, Cereal, Frozen Chicken, Turkey, Ground Turkey, Oats and Oatmeal.
The healthiest food in the world is Spinach.
Other foods that are the healthiest in the wold include.
Apples, Berries, Cherries, Oranges, Pears, Potatoes. Garlic, Pineapple, Salads, Beans, lentils, Raspberries, Beets, Beetroot, Strawberries, Peas, Corn, Cucumbers, Dark Chocolate, Lemons and Garlic.
SPINACH. This nutrient-dense green superfood is readily available - fresh, frozen or even canned.
One of the healthiest foods on the planet, spinach is packed with energy while low in calories, and provides Vitamin A, Vitamin K, and essential folate.
Fish is also a healthy food in moderation.
Fish is a low-fat high quality protein.
Fish is filled with omega-3 fatty acids and vitamins such as D and B2 (riboflavin).
Fish is rich in calcium and phosphorus and a great source of minerals, such as iron, zinc, iodine, magnesium, and potassium.
The healthiest fish with the most health benefits include.
Salmon. Salmon is versatile and one of the best sources of omega-3 fatty acid, which is essential as the body cannot make it on its own so it must be obtained through food.