Preheat your oven to 400°F (200°C). Grease a baking dish.
Slice zucchini into 0.25-inch thick rounds.
3 medium zucchini
Set up three shallow dishes: one with flour, one with beaten eggs, and one with panko breadcrumbs mixed with Parmesan cheese, salt, and pepper.
3 medium zucchini
Dip each zucchini slice first into the flour, then into the egg, and finally coat with the breadcrumb mixture.
3 medium zucchini
Heat olive oil in a large skillet over medium-high heat. Fry zucchini slices for 2-3 minutes per side until golden brown. You may need to do this in batches.
3 medium zucchini
Arrange the fried zucchini slices in a single layer in the prepared baking dish. If desired, spoon marinara sauce over the top.
3 medium zucchini
Bake for 15-20 minutes, or until heated through and bubbly.
Serve hot.
Notes
This dish can be served as an appetizer or a side dish. For an extra cheesy topping, sprinkle more Parmesan cheese before baking.