Easy Spaghetti Pie

Bahan-bahan (8 porsi)

• 16 ounces spaghetti
• 16 ounces lean ground beef
• 1 cup diced onion
• 3 medium garlic cloves
• 1 tablespoon Italian seasoning
• 1/2 teaspoon onion powder
• 2½ cups marinara sauce
• 1/2 cup ricotta cheese
• 1/4 cup chopped fresh parsley
• 3 large eggs
• 1 cup grated Parmesan, (divided)
• 1½ cups shredded Mozzarella, (divided)