The challenges that might be faced by a vegan restaurant with respect to stocks and sauces that a non-vegan restaurant wouldn't face are:
A vegetarian is also referred to as a vegan and it can be defined as an individual who doesn't consume fish or meat, especially due to moral, religious, or health reasons.
A non-vegetarian is also referred to as a non-vegan and it can be defined as an individual who consumes both fish or meat.
Some of the challenges that might be faced by a vegan restaurant with respect to stocks and sauces that a non-vegan restaurant wouldn't face include the following:
Vegan restaurant can overcome the aforementioned challenges with respect to stocks and sauces by engaging in more research to develop recipe and cooking skills that would appeal to both vegans and non-vegans.
In conclusion, I believe that vegan stock, soup, or sauce can compete with non-vegan stock, soup, or sauce when they are prepared using well-developed recipe and cooking skills and because they plant-based ingredients such as vegetables are highly nutritious.
Read more on vegetarian here: https://brainly.com/question/2889133