Add items to your shopping list. 1 Package of Oyster Crackers. (I use Premium Brand) 1 pkg. Hidden Valley Ranch Buttermilk Ranch salad dressing mix. Seal the bag and toss until well-coated. Arrange the crackers on an ungreased half-sheet pan in a single layer. Bake the crackers for 15 to 20 minutes or until golden. Cool and keep in an air tight container for snacking! Then you add in the crackers, zip it shut and let the kids shake it up! They you just bake them for about 20 minutes and you have an incredible snack everyone is going to love! Easy Ranch Snack Mix Author: Parrish Ingredients 1 1-oz. packet Hidden Valley Original Ranch Salad Dressing Seasoning Mix cup vegetable oil 1 teaspoon garlic salt 1 g oyster crackers 1 bag Gold Fish Crackers. This is the perfect snack to make on the weekend to prepare for the upcoming week. This is great for an after school snack or to pack in a lunch box. The hubs and I love snacking on it while watching TV when we get.