2 tablespoons olive oil
1 onion, chopped
4 skinless, boneless chicken breast halves
3 tablespoons ketchup
2 tablespoons soy sauce
3 tablespoons white sugar
2 tablespoons lemon juice
1 teaspoon ground black pepper
Saute onion in oil until translucent.
Add chicken, and brown lightly.
Combine ketchup, soy sauce, sugar, lemon juice, and pepper; mix well. Pour over chicken, and bring to a boil. Cover, reduce heat, and simmer for 25 to 35 minutes.