how to get out of my scarcity mindset

i have a big fear of eating too many calories early in the day. this causes me to try and fast in the morning while i’m not ravenous so i can keep my calories super low. i ultimately end up going over my cals at night because i feel desperate to have the things i want but don’t allow. will eating a larger portion of my calories for breakfast/lunch help with my evening time mindset?? this may seem like a silly question but some input would be great. i want to try eating 3 larger calorie meals in a day, instead of 1 or 2 low calorie meals then self-sabotaging. im so scared of being hungry that i calorie bank which ultimately gets me nowhere because i still go over. i want to learn to be comfortable with my hunger.