Solid food — fine
Sandwiches, wraps, fruit (whole, not cut and juicy), hard cheese, cured meats, biscuits, crisps, chocolate, energy bars, sweets.
Treated as liquids
Yoghurt, soup, hummus, jam, honey, Nutella, peanut butter, soft cheese, sauces, olive oil, salad dressing. 100ml-per-container rule applies in the cabin.
International arrivals
Most countries restrict bringing meat, dairy and fresh produce across borders even if security let it through. Check the destination's customs rules before you fly.