Herbed Chevre, Fontina And Prosciutto Pizza

• 3 equal (pieces)
• 1 wheat pizza dough (whole)
• 1 dice
• 1 tomato
• 1 prosciutto
• 110 ml chevre in herbed oil
• 60 gr fontina cheese
• 30 gr onion (red)
• 16 ml olive oil
• 1 gr marjoram