Easy Pineapple Chicken

Ingredients

• 3 large chicken breasts
• 1/4 cup flour
• 1/2 tsp pepper
• 1 can pineapple chunks
• 2 tbs vegetable oil
• 1/2 cup pineapple juice from can
• 3 tbs soy sauce
• 1 tsp vinegar
• 1 tbs cornstarch