Preheat the oven to 400°F. Line a large baking sheet with foil.
Place the sliced zucchini on the baking sheet and toss with oil.
2 medium zucchini, 1 tablespoon olive oil
Bake the zucchini for 10 minutes or until softened and some moisture has been released.
Meanwhile, add the beef to a skillet over medium heat. Add the garlic powder, onion powder, oregano, parsley, and salt.
1½ pounds ground beef, 1 teaspoon garlic powder, 1 teaspoon onion powder, 1 teaspoon oregano, 1 teaspoon parsley, ½ teaspoon salt
Stir, breaking the beef into smaller pieces in the pan, and cook until browned.
Drain the excess fat from the beef, then add the tomato sauce to the skillet and stir.
2 cups tomato sauce
In an 8×8 baking dish, start by adding a small layer of ground beef mixture to the bottom. Next, layer on the zucchini slices.
Add more ground beef mixture, then mozzarella cheese.
1½ cups mozzarella cheese
Repeat for a total of 3 layers, then top with Parmesan cheese.
½ cup grated Parmesan
Bake, uncovered, for 30-35 minutes or until the cheese is brown and bubbly.
fresh herbs for garnish