Courgette, Corn and Ricotta Pancakes

Name: Courgette, Corn and Ricotta Pancakes
Prep time: 40 min
Cook time: 1 h 5 min
Total time: 1 h 5 min
Yield: 10 pieces
Ingredients: 1500 g whole milk; 40 g white vinegar; ¼ tsp fine sea salt; 310 g courgette; 1 spring onion; 40 g unsalted butter; 170 g self-raising flour; 200 g buttermilk; ¼ tsp fine sea salt; ¼ tsp ground black pepper; 2 eggs; 130 g corn kernels, fresh