Zucchini Casserole Side Dish

Bahan-bahan (8 porsi)

• 1.5 lbs . (about 680g) zucchini (about 3–4 medium)
• 1/4 cup (60ml) heavy cream
• 1 large egg
• 1/2 cup (60g) chopped onion
• 2 cloves garlic, minced
• 1/4 teaspoon salt, plus more for step 1
• 1/4 teaspoon freshly ground black pepper
• 1 and 1/2 teaspoons dried oregano (or 2 teaspoons fresh)
• 1 teaspoon fresh thyme leaves (or 1/2 teaspoon dried)
• 1 Tablespoon chopped fresh basil (or 1 and 1/2 teaspoons dried)
• 3/4 cup (100g) crumbled feta cheese
• 1/3 cup (35g) Panko breadcrumbs, divided
• optional: 2 Tablespoons shredded parmesan cheese or crumbled feta cheese
• optional for serving: red pepper flakes