Combine cider vinegar, ketchup, water, Worcestershire sauce, lemon juice, salt, and sweetener in a small pan.

Bring the mixture to a boil over medium heat.

Continue boiling until the sauce thickens and becomes clear, stirring occasionally.

If using, heat vegetable oil in a separate pan.

Remove skin from chicken breasts.

Broil or bake chicken breasts in a toaster oven, or microwave them.

Place chicken on a bed of rice.

Top with cool fruits and vegetables (tomato, pineapple, bell pepper, onion, etc.).

Pour warm sauce over the chicken, rice, and vegetables.

Serve immediately.