Ingredients

• 1 lime, juiced
• 1 jalapeño pepper, seeded and chopped
• 2 small garlic cloves, chopped
• 2 teaspoons balsamic vinegar
• 1 teaspoon minced fresh ginger root
• ½ teaspoon white sugar
• ½ teaspoon ground cumin
• ½ teaspoon chili powder
• ½ teaspoon salt, or to taste
• ¼ teaspoon cayenne pepper, or to taste
• ¼ teaspoon ground white pepper, or to taste
• ¼ cup chopped fresh cilantro leaves
• ½ cup extra-virgin olive oil
• 1 ½ pounds flank steak (about 1-inch thick)
• 1 (8 ounce) can sweet corn, drained
• 1 (15 ounce) can black beans, rinsed and drained
• 1 red bell pepper, seeded and chopped
• 1 tablespoon unsalted butter
• 1 tablespoon olive oil
• ½ teaspoon low-sodium steak seasoning (such as montreal steak seasoning®)
• 4 cups hot cooked white rice
• 1 avocado - peeled, pitted, and diced
• 4 tablespoons sour cream (optional)
• 2 green onions, chopped (optional)