I tried a lactose-free version of a sourdough recipe I used some months ago by using vegan alternatives to the dairies. There are different ways to obtain vegan sour milk, the net is full of resources for that, and I
Lactose-free sourdough pizza
Gluten free pesto pasta with mozzarella and cherry tomatoes
This is one of the dishes I prepare the most during the summertime because even if it is not cold it has anyway a refreshing taste. One variation that I use sometimes is that of substituting the Fior di Latte