Homestyle Baked Sweet and Sour Chicken is not only easy and inexpensive, it's also super moist, tender, and delicious. Drumsticks and thighs are drenched in a thick and glossy homemade sauce; this crowd-pleasing main will have them begging for you to make it over and over again!
Preheat oven to 350 degrees F. Line a rimmed baking sheet with parchment paper. Set aside.
Pat chicken dry with paper towels. Place pieces on a parchment-lined baking sheet. Evenly spread the chicken pieces out, avoiding contact with the edge of the baking sheet. (Remember: skin side up!)
Salt and pepper the chicken.
Bake for 30 minutes.
In the meantime, make the sauce by whisking together the onion, ketchup, brown sugar, mustard, and vinegar. Set aside.
Remove the chicken from the oven and spoon about a tablespoon or two (depending on the size of the chicken) of the prepared sauce over the top of each piece of chicken and smear to evenly coat each piece using the back of a spoon.
Return to the oven and bake for 20 minutes.
Remove from oven and spoon more sauce over each piece of chicken. Repeat the smearing process, being careful not to pull the existing layer of sauce away from the skin.
Bake for another 20 minutes.
Remove from oven, garnish with fresh chopped parsley if desired, and serve.
Notes
Nutritional information is for 1 thigh and 1 drumstick.