Guava Chicken

2 cups fresh aku, diced2 tbsp. chopped onion2 cups diced potatoes3 tbsp. margarine1 tsp. salt1/2 tsp. pepper1 cup water1 quart milk2 or 3 tbsp. cornstarch Melt margarine in saucepan. Add aku, onion and potatoes and brown slightly. Add seasoning and water and simmer, until potatoes are tender. Turn up heat and add scalded milk. Make…