medium (about 1 1/4 pounds), topped, a few green fronds reserved fennel bulbs • Salt and pepper • tablespoons, plus more to oil the baking pan extra virgin olive oil • teaspoon, crushed or roughly powdered in a mortar or spice mill fennel seed • garlic cloves • red pepper flakes • chopped rosemary • pound, sliced or shredded fresh mozzarella • rosemary leaves • coarse dry homemade bread crumbs from an Italian or French loaf • (about 3/4 ounce) grated Parmesan • chopped parsley, or a mixture of parsley and fennel fronds