ASPARAGUS, PROSCIUTTO & RICOTTA PIZZAS

500g Waitrose & Partners Jersey Royal New Potatoes, halved • 1 tbsp essential • Waitrose Olive Oil • 3 garlic cloves, unpeeled • 6 medium British • Blacktail Free Range Eggs • 300g pack fine green beans, trimmed • 4 tbsp essential Waitrose Low Fat Natural Yogurt • 2 tbsp essential Waitrose Half Fat Mayonnaise • ½ tsp Worcestershire sauce • 15g essential Waitrose Parmigiano Reggiano,finely grated, plus extra shavings to serve • 2 heads of essential Waitrose Romaine Lettuce Hearts, roughly chopped