Preheat the oven to 325°F (300°F if using a convection oven). Line a baking sheet with aluminum foil. I used 2 baking dishes. Arrange the ribs, meat side down. If using the mild marinade, pour some marinade into the baking sheet or dish. Cover the baking sheet/dish tightly with aluminum foil. Bake them for 1.5 hour (2 hours if you want fall off the bones tenderness). Remove the foil cover.