Pink grapefruit and green olive pizza

Ingredients

• 1 large mideastern flat bread or baked pizza crust about 12 inches in diameter
• 1/8 cup extra virgin olive oil
• 1/3 cup grated cheddar cheese
• 1/3 cup crumpled blue cheese
• 1/8 cup Parmigiano Reggiano, grated
• 1/3 cup goat cheese, crumpled
• 1/3 cup thinly shaved fennel bulb
• 2 slices of proscuitto, (or capicola) rolled and sliced
• 1 small chile pepper sliced into rings and seeded
• 1 pink grapefruit, very thinly sliced into rings (no rind or pith)
• 1/2 cup green olives stuffed with pimentos, sliced
• 1/2 tablespoon aleppo pepper
• 1/2 cup chopped fresh herbs, including fresh oregano, mint, fennel fronds, chives, flat leaf parsley
• 1 green scallion chopped into thin rings
• 1 avocado, chopped, optional