Saucy Skillet Chicken Sausage and Spinach Stuffed Peppers

Bahan-bahan (4 porsi)

• 1/2 cup seasoned breadcrumbs
• 3/4 cup milk, divided
• 1 pound raw Italian chicken sausage, casings removed
• 1 (10 ounce) box frozen spinach, thawed and drained
• 1 large egg
• 1/4 cup grated parmesan cheese
• 1 cup shredded mozzarella cheese, divided
• Kosher salt and black pepper
• 4 large cubanelle peppers
• 1/4 cup extra-virgin olive oil
• 1 cup marinara sauce
• 1/2 cup low-sodium chicken broth
• 1 cup Italian basil leaves, divided
• Rice to serve, optional