Four Cheese Pizza

Dough

• 50 g water
• 1 tsp sugar
• 2 tsp dried instant yeast
  of 15 g fresh yeast, crumbled
• oil, for greasing
• 180 g buttermilk
• 400 g strong white bread flour, plus extra for flouring
• 1 tsp fine sea salt

Topping

• 50 g Parmesan cheese, cut in pieces (3 cm)
• 50 g Fontina cheese, cut in pieces (3 cm)
• 80 g mozzarella, drained, cut in pieces
• 80 g Gorgonzola, cut in pieces (5 mm)
• 1 pinch ground black pepper