Sweet And Sour Chicken
["4 chicken breasts, cleaned", "2 Tbsp. vegetable oil", "1 onion, chopped", "3 Tbsp. ketchup", "3 Tbsp. sugar", "2 Tbsp. soy sauce", "2 Tbsp. lemon juice", "1/8 tsp. ground black pepper", "1 Tbsp. cornstarch"]
["In large frying pan over medium heat, saute chopped onion in oil until soft.", "In small bowl, combine ketchup, sugar, soy sauce, lemon juice and black pepper; add to pan with onion.", "Add chicken to pan.", "Bring to a boil; cover and simmer 25 to 35 minutes or until chicken is done.", "Remove chicken to serving platter. Dissolve cornstarch with 2 tablespoons of water; add to pan with sauce.", "Bring sauce to a boil, stirring constantly, until thickened.", "Pour sauce over chicken before serving."]
["chicken breasts", "vegetable oil", "onion", "ketchup", "sugar", "soy sauce", "lemon juice", "ground black pepper", "cornstarch"]