Porchetta Sandwich

Ingredients

• 3-4 lb pork belly, skin-on, butterflied
• 1 tbsp fennel seeds, toasted and crushed
• 1 tbsp fresh rosemary, chopped
• 1 tbsp fresh sage, chopped
• 4 cloves garlic, minced
• 1 tbsp kosher salt
• 1 tsp black pepper
• Zest of 1 lemon
• Olive oil, for drizzling
• Ciabatta rolls or your preferred sandwich bread
• Arugula
• Roasted red peppers
• Aioli or mustard (optional)