"These tangy meatballs are perfect for a weeknight dinner—and they make a great appetizer too!..."
ground pork
small onion, finely diced
large egg
breadcrumbs
crushed red pepper flakes, plus more to taste
kosher salt
Black pepper, to taste
beef broth
white wine vinegar
sugar
soy sauce
cornstarch
vegetable oil, for frying
all-purpose flour
red bell peppers, chopped
fresh pineapple chunks
scallions, sliced
Cooked white rice, for serving