Fried Chicken Schnitzel Sandwich Recipe

Ingredients

• 2 cups buttermilk
• 6 oz. plain full-fat yogurt
• 1 tbsp. Montreal steak spice (optional)
• 1 tbsp. plus 2 tsp. kosher salt, plus more to taste, divided
• 1⁄4 cup grated yellow onion
• 2 garlic cloves, finely chopped
• 2 large chicken breasts, halved crosswise, each piece pounded ¼-in. thick
• 8 oz. uncooked instant mashed potatoes
• 3 cups all-purpose flour, divided
• 2 1⁄2 cups bread crumbs
• Freshly ground black pepper
• 2 tsp. paprika
• 1 tsp. garlic powder
• 1 tsp. onion powder
• 1⁄2 cayenne pepper
• 3 large eggs
• Vegetable oil, for frying
• 1⁄2 lemon
• 1⁄2 cup mayonnaise
• 2 tbsp. chile paste, such as Israeli schug
• 1⁄4 cup extra-virgin olive oil
• 2 tbsp. red wine vinegar
• pinches kosher salt
• pinches freshly ground black pepper
• 4 cups thinly sliced iceberg lettuce
• 2 whole pickled chiles, finely chopped
• 1 large shallot, thinly sliced
• Softened unsalted butter
• 8 ½-in.-thick slices of challah
• Honey
• Kosher dill pickles, thinly sliced lengthwise