Pineapple Chicken

5 lbs boneless skinless chicken
20 oz. pineapple tidbits or chunks
1 1/2 cup sugar
1/4 cup cornstarch
1 cup soy sauce
1/2 cup white vinegar
2 tsp. granulated garlic
1/2 tsp. powered ginger
1/4 tsp. black pepper

Heat oven to 350. Layer chicken in bottom of pan. Pour pineapple over. Whisk sugar and cornstarch in large sauce pan. Add remaining ingredients. Sir sauce as it heats. Bring to a boil. Pour over chicken and bake for 1 1/2 hours.