Spicy Tuna Salad

Ingredients

• For the coating mixture:
• 2 teaspoons of mustard seeds
• 1 teaspoon black peppercorns
• salt
• For the tuna:
• 1 tablespoon olive oil
• 10 ounces of tuna (2 pieces 5-ounce each)
• For the salad:
• 6 ounces of iceberg lettuce
• 3 ounces of cherry tomatoes
• 3 ounces of pitted green olives
• 3 ounces of pitted black olives
• ½ medium cucumber, thinly sliced
• 1 small yellow bell pepper, julienned
• For the dressing:
• 1 teaspoon mustard
• 2 teaspoons of olive oil
• 1 boiled egg, halved (for serving)