1Thread thin slices of mortadella onto wooden skewers in a folded, pleated pattern.
2Add butter to a hot pan. Once melted, sprinkle with pickle and jalapeño spice blend.
3Place mortadella skewers in the pan and sear until browned on both sides.
4In a bowl, mix ricotta, spicy chili preserve, black pepper, juice of half a lemon, and extra virgin olive oil.
5Stir in Greek yogurt to the ricotta mixture and set aside.
6Combine basil pesto, fresh basil leaves, and additional olive oil in a blender beaker and blend until smooth.
7Toast brioche bun halves in the remaining butter in the pan.
8Spread the ricotta mixture on the bottom bun, place the mortadella skewers on top, drizzle with the basil sauce, and sprinkle with crushed pistachios before closing the sandwich.