Cover Potatoes In Boiling Water And Simmer For 12 Minutes Add Green Beans And Cook For 5 More Minutes. Drain. In A Large Skillet, Heat Oil , Saute Onion, Garlic, Serrano For 4 Minutes. Stir In Remaining Seasoning And Saute 1 Minute. Add Potatoes, Green Beans And Remaining Ingredients. Cook 7-10 Minutes Over Medium Heat Stirring Frequently.