Comforting Southern-Style Shrimp and Grits Casserole - ioanacooks

Ingredients

• 2 cups whole milk
• 2 1/4 cups heavy cream, divided
• 1 cup quick-cooking grits, uncooked
• 1/4 cup butter
• 1 large egg, lightly beaten
• 8 ounces sharp Cheddar cheese, shredded
• 1 teaspoon kosher salt
• 5 thick-cut bacon slices, chopped
• 1/2 cup red onion, finely chopped
• 1/2 cup red bell pepper, finely chopped
• 2 garlic cloves, minced
• 1/3 cup all-purpose flour
• 1 pound medium shrimp, peeled and deveined
• 1/2 cup dry white wine
• 1 cup chicken broth
• 1 tablespoon flat-leaf parsley, chopped
• 2 teaspoons fresh thyme leaves
• 1/2 teaspoon black pepper
• 1/8 teaspoon cayenne pepper
• 1/2 teaspoon kosher salt
• 1/4 cup scallions, sliced