Toss drumsticks with olive oil and French onion mix.
Add sliced onion to the slow cooker.
Place chicken on top and pour stock around the sides.
Cook on LOW 5.5–6 hrs or HIGH 3.5–4 hrs.
Optional: grill for 5–8 mins for crispy golden skin.
Quick gravy: Mix 1 tbsp cornflour with 2 tbsp cold water, whisk into the slow cooker juices and simmer until thickened.
