Aero Peppermint Mini Eggs contains a deliciously light aerated Peppermint centre and a creamy Milk Chocolate shell. "Feel the bubbles" ® AERO Peppermint Mini Eggs are smooth creamy milk chocolate coated eggs filled with aerated peppermint centre. What makes AERO so deliciously special? It's the chocolate bubbles that are designed to melt effortlessly in your mouth. AERO is a much-loved chocolate worldwide and is renowned for its unique bubbly texture.