Homemade Spinach Manicotti

Bahan-bahan (8 porsi)

• 16 homemade crespelles
• 15 oz part skim ricotta cheese (I use Polly-O)
• 2 cups shredded part-skim mozzarella cheese (reserve 1/2 cup Polly-O)
• 1 large egg
• 10 oz package frozen spinach (thawed and squeezed really well)
• 1/4 cup grated Parmesan Regianno*
• 1/2 teaspoon kosher salt
• black pepper (to taste)
• 2 1/2 cups jarred marinara or homemade marinara sauce