Ingredients:
- 1.5 lbs (680g) boneless, skinless chicken breasts, cut into 1-inch pieces
- 1 tbsp (15ml) olive oil
- 1 medium yellow onion, chopped (about 1 cup)
- 2 cloves garlic, minced
- 1 (10.75 oz/305g) can condensed cream of chicken soup
- 1 cup (240ml) milk (whole or 2%)
- 1 cup (225g) sour cream
- 1 tsp (5ml) Dijon mustard
- 1/2 tsp (2.5ml) black pepper
- 1/4 tsp (1.25ml) salt
- 1 (10 oz/280g) package frozen broccoli florets, thawed and roughly chopped
- 2 cups (200g) shredded cheddar cheese, divided
- 2 cups (170g) pretzel twists, coarsely crushed
- 4 tbsp (57g) unsalted butter, melted
Instructions:
- Preheat oven to 375°F (190°C).
- Heat olive oil in a large skillet. Add chicken and cook until browned and cooked through. Add onion and garlic; sauté until softened.
- In the same skillet, stir in the cream of chicken soup, milk, sour cream, Dijon mustard, salt, and pepper. Heat through, stirring occasionally.
- Stir in the broccoli and 1 cup of the shredded cheddar cheese into the sauce mixture.
- Pour the chicken and broccoli mixture into the prepared baking dish.
- In a mixing bowl, combine crushed pretzels and melted butter.
- Sprinkle the pretzel mixture evenly over the casserole. Top with remaining cheddar cheese.
- Bake for 25-30 minutes, or until the topping is golden brown and the casserole is bubbly.
- Let stand for 5-10 minutes before serving.