Always Hungry

Hi all! I am trying to lose weight safely and slowly. I have a history of having an eating disorder so I have to be very careful not to slide back into dangerous habits. I'm trying to meal plan and eat healthier food, but I just find that I get so hungry. And I don't know if I need to just adjust to being hungry and it gets better, or if that's a bad/dangerous idea. I try to plan snacks but I often find that a healthy snack, like an apple with peanut butter or whatever, just isn't enough to make me not feel hunger. I drink lots of water, so I'm pretty sure it isn't me mistaking thirst. How do you judge that is "okay" hunger and what's too much? Is it normal to feel hungry between meals? It's tough to figure this stuff out!!