Combine all meatball ingredients EXCEPT oil in a large bowl. Mix just until evenly combined. Shape into meatballs that are 1 to 1 1/4-inchs across.
Heat a large nonstick skillet over medium heat. Add oil, tilting pan to coat it with oil.
Add meatballs to skillet and cook until browned on all sides. Remove meatballs from skillet and set aside.
In a medium bowl, stir together cornstarch and brown sugar. Add the pienapple juice, water, vinegar and soy sauce and stir until smooth.
Add mixture, pineapple tidbits, and green pepper to the skillet and place over medium heat. Return meatballs to the skillet and coat in the sauce. Simmer until glaze is thickened and meatballs are cooked through. Add more water if glaze gets too thick.