Ok, one egg 50g has 0.6g carbs, that's a negligble amount of carbs, spinach has 3.6g carbs per 100g, olive oil and butter have zero carbs, as do all meats, bacon per 8g slice has 0.1g carbs.
Zerocarb is just a title for a diet with food that contain negligible amounts of carbs, but I will omit...