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.