Spring Green Pasta

• 6 baby artichokes
• 6 asparagus spears (thin)
• 2 garlic (cloves)
• 1/2 lemon
• 950 ml water (cold)
• 100 gr orecchlette
• 100 gr tiny green peas
• 80 ml oil cured black olives
• 34 gr scallions (chopped)
• 7 gr parmesan cheese (fresh grated)