Easiest way for you to eat less is to spend less on food.

Meal prep is probably the best way to lose weight.

But if you have no time to meal prep eating out is ok but I usually do is to limit RM10 per day for food expenditure.

Get protein shake for cheap high protein source. You want to ensure high protein intake when you are dieting to retain your lean body mass so that the weight you lose is fats instead of muscle.

You actually can do it. I get enough fibers by eating gardenia wholemeal bread (green) which is cheap. Fruits and Veges you can buy cheap at Giant. Also if supplement with multivitamins could help if you are very worried about getting micronutrients in.

My bad. Meant to say that RM10 per day eating out can only be done when you have all the necessity at home prepared (fiber intake and micronutrients)