For the pesto, combine the basil, olive oil, pine nuts, cheese, garlic, water, salt & pepper in a blender OR food processor and combine until smooth.
Drizzle olive oil on sliced sourdough bread & toast in convection oven OR oven broiler for 3-4 minutes.
Smear pesto on toasted bread evenly.
Add burrata on top of each piece of toast.
Finish with freshly ground pepper & drizzle of olive oil.