Canning Vegan White Sauce
There are no current safe recommendations for home canning oils/fats as it’s considered unsafe for a verity of reasons. Although you are using alternatives for dairy many will still have high fat and oil content that can cause botulism which is a type of food poisoning that can lead to death. I would recommend that if you make a large amount of this sauce to freeze it instead and to not exceed storing it longer than a couple months. I know this can be really disappointing considering that it’s a vegan sauce and you probably would like the ease of “reach and pour” but I wouldn’t risk it. Please use your own discretion. https://www.healthycanning.com/fat-and-oil-in-home-canning/