Spicy Shrimp and Andouille Sausage over Grits

Name: Spicy Shrimp and Andouille Sausage over Grits
Ingredients: 2 1/2 cups low-sodium chicken stock, plus more if needed; 2 1/2 cups heavy cream; 5 tablespoons unsalted butter; 1 cup grits; Kosher salt and cracked black pepper; 3 tablespoons olive oil; 1 pound smoked Andouille sausage, sliced 1/4-inch thick on an angle; 2 cloves garlic, minced; 1 red bell pepper, chopped; 1 yellow bell pepper, chopped; 1/2 Spanish onion, small dice; 1 pound uncooked large shrimp, peeled and deveined; 1 teaspoon Cajun seasoning; Chopped fresh parsley, for garnish; Juice of 1/2 lemon