Like Trouts, you can get these easily from the ground at Barbarian Village for free at the point where they're dropped upon by the other player RS Gold. For 50 cooking, it's going to take approximately 1000 cooked Salmons and will take few hours.
This is the first fish you will stop burning since at level 59 with Cooking Gauntlets and at Cooking Range it's impossible not to catch this fish. In addition, at this point in the training guide for skills, If you follow the these next steps in leveling you won't have to burn more food.
Though you'll require around 9000 Lobster cooked to reach the next stage, this is an extremely affordable method, considering that raw Lobsters are often catched by fishermen, while cooked Lobsters are popular. In this moment, if you haven't started cooking at Hosidius house , then you need to get started.
After 76 you can cook Swordfish. In this group, you'll need around 9k Swordfishes cooked prior to moving on to the next stage. This is the ideal (F2P) completely free game cooking fish.
This is the section of the recipe where cooking starts to be profitable. Monkfishes are extremely good in terms of experience and are good as a cash-maker Buy Old School RS Gold. It will take around 16k of them cooked to proceed. This method is just for the p2p (members) which requires the completion of the Swan Song quest if you intend to hunt them yourself.