Baked Burrito Casserole, Easy Beef And Bean Dinner - Quickie Recipe

Ingredients

• 1 tablespoon olive oil or neutral oil
• 1 small yellow onion, diced
• 1 lb (450 g) lean ground beef
• 3 garlic cloves, minced
• 2 tablespoons taco seasoning
• 1/2 teaspoon kosher salt, plus more to taste
• 1 can (15 oz / 425 g) black beans, drained and rinsed
• 1 cup (150 g) corn kernels, frozen or canned and drained
• 1 can (4 oz / 113 g) diced green chiles, drained
• 1/2 cup (120 ml) red enchilada sauce
• 1/4 cup (60 ml) water
• 2 cups (480 ml) red enchilada sauce, divided
• 8 medium flour tortillas, about 8 inches each
• 2 1/2 cups (280 g) shredded Mexican cheese blend, divided
• Cooking spray or oil, for the baking dish
• Chopped fresh cilantro, optional
• Sliced green onions, optional
• Sour cream, optional
• Diced avocado or salsa, optional