This tzatziki grilled cheese is loaded with a creamy garlic sauce! This Greek grilled cheese can be made vegan, dairy free, and gluten free. This is one loaded sandwich that makes a fantastic and easy 10 minute lunch - grilled cheese with tzatziki sauce is ready in no time!
Brush one side of bread with melted butter. Place it butter-side down on a plate. Add the sauteed spinach, cheese, and spread a thin layer of the tzatziki sauce on top of the cheese. Place the other side of bread on top, and brush the top side with more butter.
Press in a panini press for 5-10 minutes until bread is toasted golden brown, and cheese is warm and melty in the middle. Slice, mangia, and enjoy!