Earl Grey-Lavender Buttercream Lemon Curd Shortbread Tart An almost decorated Earl Grey-Lavender German Buttercream, Lemon Tart with a Shortbread Crust. Share this:Click to email a link to a friend (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)