Gourmet Chicken Steak Sandwich

Ingredients

• 600g Lilydale Free Range Chicken Breast Fillets, thinly sliced
• 2 tablespoons olive oil
• 1 brown onion, halved, sliced
• 1 yellow capsicum, thinly sliced
• 1 red capsicum, thinly sliced
• 150g button mushrooms, sliced
• 8 Provolone cheese slices, halved
• 2 cups baby rocket
• 1 French baguette, cut into 4, split lengthways
• Soft butter, to serve, if desired
• 1 tablespoon lime juice
• ½ tablespoon adobo sauce
• 1 chipotle chilli in adobo sauce
• ½ cup whole egg mayonnaise