Sweet and Sour BBQ Spare Ribs

My Gran's pork spare ribs recipe. Sweet and tangy, fall off the bone good. Perfect for a cold winter night dinner.

Yield: 
2-3
Ingredients: 
2 lbs. pork spare ribs
1 Tbsp. butter
2 onions, diced
¾ cup ketchup
¼ cup barbecue sauce
½ cup white vinegar
2 Tbsp. dark brown sugar
½ Tsp. dry mustard powder
1 Tsp. garlic powder
2 Tbsp. Worcestershire sauce
salt and pepper to taste
Preparation: 
1
Preheat oven to 250
2
In a bowl, whisk together ketchup, barbecue sauce, vinegar, brown sugar, mustard powder, garlic powder, and Worcestershire sauce. Salt and pepper to taste. Set aside.
3
In a large skillet, melt butter over medium high heat. Add ribs and brown on both sides. Place ribs, meat side down, in a 9×13 inch baking pan. Add diced onions to dish and cover with sauce.
4
Cover baking dish with tin foil and bake in the oven for 4 – 4 ½ hours until meat is tender and easily falls off the bone.
5
serves 2-3