cauliflower and parmesan cake

INGREDIENTS

• 1 medium cauliflower (1 1/2 pounds, 23 to 24 ounces or 650 to 700grams)
• 1 large red onion, peeled
• 7 1/2 tablespoons (100 grams or 3.5 ounces) olive oil (I used 5 tablespoons, see Note up top)
• 1/2 teaspoon finely chopped rosemary
• 10 medium or 8 large eggs
• Handful (3/4 ounce or 20 grams) basil, chopped
• Scant 1 1/2 cups (180 grams or 6.3 ounces) all-purpose flour
• 2 1/2 teaspoons baking powder
• 1/2 teaspoon ground turmeric
• 2 cups finely grated parmesan cheese (200 grams or 7 3/4 ounces, see Note up top) or about 1 generous cup of grated Romano cheese
• Salt and black pepper
• Butter, for greasing pan
• 2 tablespoons black sesame seeds