Melt butter. Pour into jelly roll pan. Add cashews and noodles, broken up. Bake at 350 degrees, stirring often. When mixture starts to brown, remove from oven, drain and cool on paper towel. Mix oil, sugar, vinegar, and soy sauce with the 2 packages of flavoring provided with the noodles. To serve, mix cabbage, green onions, noodles and cashews mixture. Add the dressing.