In a large bowl, whisk together the ricotta, eggs, sugar, salt, and vanilla until fairly smooth.
130 g full-fat ricotta, 2 eggs, 3 tbsp sugar, 1/4 tsp salt, 1 tsp vanilla extract
Stir in the lemon zest, sourdough starter or discard and milk.
100 g sourdough starter or discard, 100 ml whole milk, Zest of 1 lemon
Add the flour, baking powder, and baking soda. Put the pan on the heat straight away on a medium to low heat. Fold gently until just combined - a few lumps are fine. Do not overmix.
150 g all-purpose flour, 1 tsp baking powder, 1/2 tsp baking soda
By the time the batter is ready, your pan should be too. Brush the pan with a little butter and spoon a heaped tablespoon per pancake. Cook until bubbles appear across the surface and the edges look set, about 2-3 minutes.
Butter
If using blueberries, stud the top of each pancake with 4-5 berries.
Flip and cook for a further 1-2 minutes until golden.
Serve warm with maple syrup, fresh blueberries, or a spoonful of Greek yogurt and honey.