Sweet and Sour Chicken

1 medium green bell pepper cut into 1 inch chunks (i diced mine)
1 small onion, thinly sliced (i also diced these)
1 T. oil
1 (20 oz) can of pinapple chunks
3 T. white vinegar
2 T. soy sauce
2 T. ketchup
1/3 c. packed brown sugar
2 T cornstarch
1 pkg (12 oz) popcorn chicken (i didn't have popcorn chicken so i used 2 chicken breasts.

in a skillet stir-fry pepper and onion in oil for 3-4 minutes. drain pineapple reserving juice in a 2 c. measuring cup. add enough water to pineapple juice to measure 1 & 1/3 cusp. stir in vinegar, soy sauce, and ketchup. in large bowl combine brown sugar and cornstarch. stirr in pineapple juice mixture until smooth. gradually add to skillet. bring to boil. cook and stir for 2 minutes or until thickened. add pineapple. reduce heat and simmer uncovered for 4-5 minutes until heated through. meanwhile, microwave chicken according to package directions. stir into pineapple mixture. serve imediatly with rice or potatoes.