Servings: 6 In a large heavy pot, heat corn oil over high heat until the oil smokes. Add 1 kernel popping corn and heat until kernel pops. Add rest of popping corn, cover pot, and shake gently until corn starts to pop. Shake vigorously until popping subsides. Remove from heat. Heat melted butter with saffron threads for 1 minute. Toss popcorn with salt and butter/saffron.