Oven Roasted Ranch Corn on the Cob (from hiddenvalley.com) 1/2 cup (1 stick) butter, melted 1 1-ounce packet Hidden Valley Original Ranch Salad Dressing & Seasoning Mix 6 ears fresh corn on the cob in husks Preheat oven to 425 degrees. In a small bowl, combine melted butter and Hidden Valley Original Ranch Salad Dressing & Seasoning Mix. Peel down husks from corn and use as a handle. Remove corn silks. Generously brush Ranch butter over corn. Pull husks back up over corn.