Broccoli Cheese Cornbread

Name: Broccoli Cheese Cornbread
Prep time: 15 min
Cook time: 35 min
Total time: 50 min
Cuisine: American, Southern
Ingredients: 1 1/2 cups steamed broccoli florets (roughly chopped); 1 6.5 oz container light garlic-herb spreadable cheese (i.e. Boursin or Alouette); 4 large eggs; 1/2 cup butter (melted); 1 small sweet onion (finely diced); 2 cups shredded sharp white cheddar cheese (divided); 1 8.5 oz box cornbread mix [Martha White or Jiffy]; 1/2 tsp garlic powder; 1/2 tsp dry mustard; 1/4 tsp onion powder