Start with thawed, squeezed-dry frozen spinach or cooked-and-cooled fresh spinach. Combine with a creamy base: Greek yogurt, sour cream, or a mix of cream cheese and mayo for thicker dips. Add grated Parmesan and shredded mozzarella or cheddar for melty richness.
Mix-ins to amp flavor:
Bake or chill:
Make-ahead tip: Prepare the base and store in the fridge for 1–2 days; bake just before serving for best texture and warmth.