Do Not Thaw!
Oven: Preheat oven to 325 °F. Run sealed package under cold water for 10 seconds to release film. Remove pork ribs and sauce from package and wrap in foil. Place in pan on center rack of oven and heat for 60-70 minutes (30-40 minutes if thawed).
Oven - Tender Restaurant Style: If you like meat that falls off the bone, try this method: Preheat oven to 350 °F. Remove pork ribs from package and place on a large sheet of heavy duty aluminum foil. Add 3 tablespoons of water to the foil and wrap tightly, crimping the seals of the foil. Place on a baking sheet and bake for 70-80 minutes.
Microwave: Remove ribs from package as directed above and place meat side up in microwave safe dish. Cover with plastic wrap, venting one corner. Heat on high for 5-6 minutes flipping halfway through cooking time.
Grill: Preheat grill to high. Run sealed package under cold water for 10 seconds to release film. Remove pork ribs from package, wrap in foil crimping edges. Heat on grill for 23-25 minutes flipping halfway through (10-12 minutes if thawed).