Egg and tomato is a members food and cooking ingredient. It can be created by members with a cooking level of 23 by combining a scrambled egg with a tomato. This does not require a knife or range. Combining the two provides no experience.
As a food it heals 80 life points. At level 51 Cooking, it can be combined with a potato with butter to make an egg potato. Doing so provides 45 Cooking experience and does not require a range or fire.