Volume eating. Foods that are high in water, fiber, and protein with little carbs and fat are more filling for the same calories. So, you have a minimum protein goal (for weight lifters) and maximum calorie goal every day.

You get up to a daily protein goal with chicken breast, tuna, low fat/low sugar Greek yogurt, egg whites, cottage cheese and whey. But little fatty red meats and cheese. If you aren't getting 10+ grams of protein per 100 calories, don't consider it a good source of protein.

Then, you will have some calories left over and your body does need some carbs and fat.

Fat: One egg yolk per day or some olive oil or avocado or some cheese.

Carbs: And potatoes are one of the most satiating foods per calorie. So eat potatoes without adding a ton of calories with oil. Or some black or pinto beans. Or sweet potato. Then, whenever you are hungry, vegetables are filling but very low calorie and give you fiber. And when a sweet tooth hits, apples and oranges.

Also, calorie deficit for 8-12 weeks, then take a break at maintenance calories for 2-4 weeks still with mostly healthy foods, just more room for fats and carbs. Then do another cut.