Stop measuring cups. Use a scale.

The easiest way to pack a weight-loss lunch is to weigh your protein, fill half the box with vegetables, and portion your carbs and fats with a food scale.

Measuring cups lie. A “cup” of cooked rice can swing by 50 calories depending on how tightly it’s packed. A fifteen-dollar food scale that reads in grams is the only honest way to know what’s in your box. Weigh it once, log it, eat it. After two weeks you’ll know the weights by heart.

Here’s the lazy template: protein (chicken, beef, tofu, chickpeas) at roughly 150–200g cooked — that’s 30–40g protein. Carbs (rice, potatoes, pasta) at about 150–200g cooked. Fat (oil, nuts, avocado, cheese) stays at a thumb-size or one tablespoon, about 10–15g. Then fill whatever space is left with non-starchy vegetables, which you don’t really need to count.

Your macros don’t need to be perfect. A rough 40% protein / 30% carbs / 30% fat split works for most people, but the real weight-loss magic is the protein target. Hitting 30–40g of protein at lunch keeps you full and protects your muscle, and it’s the one number worth being strict about.

Prep it the night before, use a divided box so portions stay honest, and don’t overthink the rest. Your lunch doesn’t need to be perfect — just weighed.