Ingredients
1 package (5 ounces) fresh baby spinach2 teaspoons olive oil1/4 cup butter, softened8 slices sourdough bread1/4 cup creamy Italian salad dressing8 slices provolone cheese1/2 pound shaved deli chicken2 slices red onion, separated into rings
Preparation
In a large cast-iron or other heavy skillet, saute spinach in oil until wilted, about 2 minutes. Drain; wipe skillet clean.
Spread 4 bread slices with salad dressing. Layer with a cheese slice, chicken, spinach, onion and another cheese slice. Top with remaining bread. Butter outsides of sandwiches.
Cook in same skillet or panini maker until bread is golden brown and cheese is melted.
