Crockpot Citrus Fish

this is the perfect, ‘oh poo! I forgot about dinner because I overslept this morning’ dinner!
Crockpot Citrus Fish
1 1/2 lbs fish fillets
salt and pepper to taste
1 onion, chopped
5 tbs chopped parsley
4 tsp oil
2 tsp grated lemon rind
2 tsp grated orange rind
Butter crockpot. Salt and pepper fish to taste. Place fish in crock pot. Put onion, parsley and grated rinds and oil over fish. Cover and cook on low for 1 1/2 hours. Garnish with orange and lemon slices for serving,
note: if the fish fillets are frozen, add 1/2 hour to the cooking time;-) throw a salad together and add some crutsty rolls or bread or biscuits and dinner is SERVED!