1. In small nonstick skillet heat oil. Add corn. Cook and stir over medium heat about 2 minutes or until corn begins to brown. Remove from heat. Stir in onion, barbecue sauce, jalapeño pepper and vinegar. Set aside.
2. Cook MORNINGSTAR FARMS Spicy Black Bean burger according to package directions.
3. Top bun bottom with burger, tomato slices, corn mixture and bun top.