Stewed barbecued chicken

Ingredients

• 6 large chicken thighs, boneless and skinless
• 28 oz tomato sauce
• 1 tbsp splenda
• 1/4 cup dehydrated onion
• 1 tsp turmeric
• 1/4 cup chopped parsley
• 1/4 cup yellow prepared mustard
• 1/4 tsp salt
• 1/3 tsp ground black pepper
• 1 tsp granulated garlic powder
• 1/2 tsp marjoram
• 2 tbsp vinegar, I used coconut vinegar
• 1 cup water
• 1/4 cup butter