Turkey and Bacon Panini with Chipotle Mayonnaise

Ingredients (11)

• + 8 slices bacon add to pantry
• + 1 tablespoon butter add to pantry
• ✓ 2 cloves garlic, minced
• + ½ red onion, thinly sliced add to pantry
• + 3 cups fresh spinach leaves add to pantry
• + ½ cup reduced-fat mayonnaise add to pantry
• ✓ 2 chipotle peppers in adobo sauce, minced
• + 1 teaspoon adobo sauce from chipotle peppers add to pantry
• + 8 (4 inch) pieces focaccia bread add to pantry
• + 4 slices provolone cheese add to pantry
• + ½ pound sliced deli turkey meat add to pantry