01 -
Place a skillet or griddle on medium heat.
02 -
Spread softened butter on one side of each slice of bread.
03 -
In a bowl, combine ricotta, mozzarella, and Parmesan. Mix until creamy and evenly combined.
04 -
Place two slices of bread, buttered side down, on the skillet. Spread the cheese mixture over the top side of each slice. Add sun-dried tomatoes and spinach leaves evenly on top of the cheese. Top each with the second slice of bread, buttered side facing up.
05 -
Cook for 3–4 minutes per side until the bread is golden and the cheese is melted. Adjust heat as needed to prevent burning.
06 -
Remove from skillet, let cool slightly, slice, and serve hot with a side salad or tomato soup.