Tex Mex Chicken Casserole with Cornbread Topping

Ingredients

• 3 cups flour
• 3 cups corn meal
• 3 tablespoons baking powder
• 2 teaspoons salt
• ½ cup sugar
• 2 tablespoons olive oil
• 2 lbs boneless skinless chicken breast, cut into 1-inch pieces
• salt and freshly ground black pepper
• 1 ½ cup chopped onion (from about 1 medium onion)
• 1 tablespoon minced garlic (from about 2 garlic cloves)
• 1 tablespoon flour
• 1 ½ teaspoons chili powder
• 1 teaspoon cumin
• 2/3 cup chicken broth
• 1 (10 oz) can RO*TEL Diced Tomatoes & Green Chiles
• 1 (15 oz) can black beans, drained and rinsed
• 1 tablespoon chopped fresh cilantro
• 1 tablespoon fresh lime juice (from about ½ lime)
• diced avocado and additional chopped fresh cilantro for serving, optional
• 1 egg
• 1 cup cornbread mix
• 3 tablespoons water