Roasted Mushrooms Stuffed with Feta, Spinach and Bacon

Bahan-bahan (48 porsi)

• 10 slices bacon
• 1 cup finely chopped onion
• 10 ounces chopped frozen spinach ((thawed and squeezed dry))
• 4 ounces crumbled feta cheese ((about 3/4 cup))
• 4 ounces cream cheese, (at room temperature)
• 1/4 teaspoon crushed red pepper
• 2¾ pounds (about 48) button mushrooms ((1½-inches in diameter, cleaned and stemmed))