Easy Taco Casserole

Name: Easy Taco Casserole
Prep time: 15 min
Cook time: 35 min
Total time: 50 min
Cuisine: Mexican
Ingredients: cooking spray; 1 1/2 tablespoons olive oil; 1/2 yellow onion, (chopped); 2 teaspoons minced garlic ((about 4 cloves)); 1 poblano pepper (diced); 1 pound lean ground beef; 3 tablespoons homemade taco seasoning ((or store-bought)); 1 15-ounce can black beans, (drained and rinsed); 1 15-ounce can whole kernel yellow corn, (drained and rinsed); 1 15-ounce can diced tomatoes; 2 tablespoons lime juice ((about the juice of 1 lime)); 12 corn tortillas; 4 cups shredded Monterey Jack cheese; chopped cilantro, cilantro and sour cream, (for topping)