Valentine's day recipe: roast pork belly on pasta

Ingredients

• 1)- 700g pork belly
• 2 tablespoons sugar
• 2 tablespoons, salt
• 2)- 150g spaghetti
• Pickled cucumbers , drained and diced
• 1/2 or more of mustard seed dipping sauce
• 1 cup low sodium vegetable stock OR water
• Salt
• Freshly ground black pepper
• 3)- 6 tablespoons pickled mustard seeds
• 3 tablespoons Dijon mustard
• 1 tablespoon English mustard
• 3 tablespoons Japanese Kewpie mayonaise
• 3 tablespoons spring onions, thinly sliced
• 4)- 1/4 cup yellow mustard seeds
• 1/4 cup + 2 tablespoons water
• 1/4 cup + 2 tablespoons white wine vinegar
• 1 teaspoon salt
• 5)- 1 small cucumber , cut into 1/8-inch-thick disks
• 1 tablespoons sugar