Dissolve yeast and sugar in 125ml of water.
Mix flour and salt in a bowl and slowly incorporate the liquid.
Add olive oil and knead the dough for 5 to 10 minutes.
Prove the dough in a warm place for 30 minutes.
Preheat the oven to 220°C and heat two baking trays.
Divide the dough into two pieces and roll them out flat.
Top with spinach, anchovies, taleggio, pepper, and optional garlic or chilli oil.
Crack an egg into the center of each pizza.
Bake on hot trays for 5 to 10 minutes.
Whisk olive oil, mustard, vinegar, salt, and pepper for the salad dressing.
Toss chicory leaves with lemon zest and dressing before serving with pizza slices.