Okay now we have something to work with!
So you know how to fundamentally lift, you believe you’re eating around 4400 cals, and you had the weight prior - THAT’S THE KEY HERE. You did it before, you have built the muscle and fat. Now you just need to wake those muscle nuclei back up and refill those fat cells.
Train hard, consistently.
But the most important thing is every single day you MUST eat 5-6,000 calories. EVERY DAY. Not just 4-5 days of the week; that won’t cut it. You have to understand that it does not matter what anyone else does or needs to eat to grow. You have to pay the toll your body demands of YOU. Because you will be eating so much, and we have to do this in such a short time, your nutritional bases will be effectively covered, at least in the short term. That means you can eat ANYTHING YOU WANT, as long as the caloric goals add up and you get 150g protein daily.
Breakfast can be milk and donuts, breakfast sandwiches, bacon/sausage & eggs & pancakes with butter & syrup, big bowls of granola & jellied toast, bowls of grits with cheese, just count those calories and smash them in. When you eat pizza, which should be often if you like it, drizzle it with olive oil or dunk it in ranch dressing. Cover your pasta/white rice & ground meat with olive oil. Put bbq sauce, cheese, mayonnaise on anything you can. Avoid fiber and veggies when possible unless they’re part of the Chinese food you’re shoveling down. Fast food is your friend if you can afford it, and make double cheeseburgers at home if you can’t. Drink milk and juice. Blend icecream into your shakes, always try to snack on dried fruit or trail mix or flavored nuts between meals, eat nut butter copiously. If you eat potatoes, they better be mashed and try to use butter. Blend or buy fruit smoothies to sip on. This can be Bolthouse farms for more nutrition or just straight Smoothie King sugar bombs. Try eating some candy or granola bars as snacks (they tend to be the same thing, effectively).
The more you can process, blend, mash, grind your food & add empty calories, the easier it will be. You can take this as extreme or healthy as you want beyond a base of white rice & ground beef, based on whatever you actually need to get the calories in daily.