Cut chicken into bite size pieces and lightly coat in flour mixed with salt and pepper. Fry in olive oil until browned
Drain and set aside on a plate covered with paper towels.
Add your peppers or onions to the pan, there should be enough oil still in the pan. Cook until onions and peppers are tender.
In same skillet, combine cornstarch, salt, pepper, brown sugar, vinegar, pineapple juice, chicken broth and soy sauce along with the peppers and onions. Stir over a low boil for a few minutes until the sauce thickens. It will thicken more as it cools.
Add chicken and pineapple and stir to coat.
Cook until heated through
Serve over rice and garnish with sesame seeds if desired.
Notes
Serve sweet and sour chicken with a side of roasted broccoli or roasted carrots.
For more color, add a sprinkle of chopped green onions at the end along with the sesame seeds.
For some crunch add some show mein noodles, peanuts or cashews on top.
Serve with white rice, cauliflower rice or brown rice.
For a little kick, add a sprinkle of red pepper flakes to the sauce.