Is it ok to usually just eat potatoes with canned tuna in oil as meals?

Answer

You are missing a crucial part: veggies. There’s no veggies, no fiber, lack of certain vitamins as well.

Generally, it’s never a good idea to have one type of meal. Because no food is 100% good for you. For example, canned tuna is fish yeah and that’s good, but it’s not fatty fish (like sardines or anchovies). That means that you shouldn’t exceed 1-2 portions per week.

So, 2 suggestions:

• change a bit, instead of tuna put a sardine (possibly fresh, not canned - because of the amounts of salt and sodium); or some legums. For example you could make tomato juice with potatoes carrots and peas. Or you could do the same meal but use a hummus spread instead of the tuna. In general, try to substitute potatoes with other cereals as well (pasta, bulgur, quinoa, bread - preferably whole wheat).
• More importantly: add veggies! Be it a 60-80gr of salad. 1 tomato and 1 carrot/onion, or better other varieties. (and add fruit)

Eating healthy doesn’t necessary have to be a pain in the ass. You can make 100s of meals with same effort in terms of time and probably even less money (canned tuna is more expensive than legumes!)

Enjoy

Answer

I’d watch out for mercury levels from that much tuna weekly. Maybe you can swap out the protein source with others? If looking for protein + fat: chicken thigh, pork, salmon, ground beef, chicken sausage, eggs.

You are also missing micronutrients (vitamins and minerals) and fiber. Both come from produce — fruits and veggies.

If keeping your intake the same daily is easiest for you, know you do need some variety to avoid any nutrient deficiencies. Just those above changes could help!

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