Asparagus, Telur, dan Prosciutto Tart dengan Segala Bumbu

Bahan-bahan (6 porsi)

• 1 sheet frozen puff pasty, thawed
• extra virgin olive oil (for drizzling over tart)
• 2 -3 tablespoons everything seasoning spice
• 1/2 cup fresh basil leaves, torn if large
• 1/2 cup shredded Gruyere cheese
• 1 small bunch asparagus, ends trimmed
• flaky sea salt and black pepper
• 3 ounces thinly sliced prosciutto
• 1 1/2 cups arugula or watercress
• juice from 1/2 a lemon
• 4 -6 hard or soft-boiled eggs, quartered