Heat oil in sauté pan, and add garlic, spinach, and red pepper flakes. Cook until spinach is wilted; set aside.
Add cottage cheese and Neufchâtel cheese to FourSide jar. Secure lid and select "Dips." Add Parmesan cheese and sautéed ingredients to jar. Secure lid and press "Pulse" 4–6 times or until ingredients are incorporated; do not overblend.
Serve or refrigerate until ready to use.