Really? Not even a look at what I said above?

You need long term change! Eating a surplus of calories is great but from what you posted, you eat less than my toddler. You need to set an eating schedule and slowly increase the amount you eat at those times. No point in trying to figure out your tdee or bmr because you won't
Be able to keep up with what you need until you make eating a habit.

I knew I shouldnt have said "in my humble opinion". It discounted everything else I said