There's no hard rule and stew is pretty much fool proof recipe, I'd say. (delightfultastebuds.com)
Seriously I have a fool proof recipe for bakery style muffins, with big crackly tops with golden edges and tender centers. (smittenkitchen.com)
Then I ate it all up and had no pictures made for the blog post... so I had to make it again... Second time I used my homemade roasted veggie stock made after a fool proof recipe DKM once posted on her blog. (foodblog.paulchens.org)