Shrimp Enchilada Casserole

Ingredients 1 large onion, thinly sliced 3 cloves garlic, finely chopped 1 lb peeled cooked shrimp, tails removed, diced 1 cup frozen corn, thawed 1 4-oz can chopped green chiles, (not drained) 1 16-oz jar Herdez Salsa Verde 12 corn tortillas 1 15-oz can black beans 2 cups shredded cheese, such as Mexican-style cheese blend,…