i like tuna. very fast to catch them at your fishing level, 100 xp each. they're also decent food, healing 10 each, so you can keep them and use them. if you have cooking gauntlets (Family Crest reward) use them. also use the range in the lumbridge kitchen, which has a lesser chance of burning, and the bank chest in the basement. you can only use the bank chest if you've started Recipe for Disaster