01 -
Wash and slice the medium-sized zucchinis into even pieces.
02 -
Heat the extra virgin olive oil in a pan and sauté the finely chopped sweet onion until translucent.
03 -
In a bowl, combine shredded mozzarella and cheddar cheese, beaten large eggs, garlic powder, and the sautéd onion. Mix well.
04 -
In a greased baking dish, layer the zucchini slices, followed by the mixed ingredients. Repeat until all ingredients are used.
05 -
Sprinkle the seasoned breadcrumbs evenly on top of the layered dish for added crunch.
06 -
Preheat the oven to 180°C (356°F). Place the casserole in the oven and bake for 40–45 minutes until the top is golden brown and the casserole is set.
07 -
Remove from the oven and let rest for 5–10 minutes before serving.