The Ultimate Kickin Cowboy Casserole - Kitchen20

Ingredients

• 1 tablespoon (15 ml) olive oil
• 1 medium yellow onion, chopped (about 1 cup/150g)
• 1 pound (450g) ground beef (80/20 blend recommended)
• 1 packet (1 ounce/28g) taco seasoning mix
• 1 can (15 ounces/425g) black beans, rinsed and drained
• 1 can (15 ounces/425g) corn, drained
• 1 can (14.5 ounces/410g) diced tomatoes, undrained
• 1/2 cup (120 ml) beef broth
• 2 pounds (900g) russet potatoes, peeled and quartered
• 1/2 cup (120 ml) milk
• 4 tablespoons (56g) unsalted butter
• Salt and black pepper to taste
• 2 cups (225g) shredded cheddar cheese