Cheesy Avocado Risotto with Shrimp

Name: Cheesy Avocado Risotto with Shrimp
Cuisine: Mexican
Ingredients: 4 c. chicken broth; 2 T. olive oil; 1-1/3 c. yellow onion, small dice; 3 T. garlic, minced; 1 c. arborio rice; 2 ea. Avocados From Mexico, halved, pitted, & peeled; 2 T. lemon juice; 1/2 t. salt; 1/4 t. pepper; 1 lb. shrimp, peeled & deveined; 2/3 c. parmesan cheese, grated; 1/4 c. parsley, finely chopped; Red pepper flakes to taste