Complex sentence: Egg yolks are used in yellow custard-based gelato flavors, including zabaione and creme caramel, and non-fat milk solids are also added to gelato to stabilize the base.
Split into simpler sentences: Egg yolks are used in yellow custard-based gelato flavors, including zabaione and creme caramel. Non-fat milk solids are also added to gelato to stabilize the base.