(TrendHunter.com) The holiday season has officially arrived and Mooyah is celebrating with two tasty new offerings: the Pecan Pie Shake and the new White Chocolate Peppermint Shake. Mooyah's 2021 seasonal menu... (TrendHunter.com) The holiday season has officially arrived and Mooyah is celebrating with two tasty new offerings: the Pecan Pie Shake and the new White Chocolate Peppermint Shake. Mooyah's 2021 seasonal menu...