Pasta:

• 8 ounces uncooked whole-wheat pasta

Broccoli:

• 1 large head of broccoli, cut into florets

Mushroom Sauce:

• 2 tablespoons butter or olive oil
• 1 small white onion, thinly sliced
• 8 ounces baby bella mushrooms, sliced
• 4 cloves garlic, minced
• 3 tablespoons flour
• 1 cup chicken or vegetable stock
• 1 1/2 cups milk
• 1 teaspoon Dijon mustard
• 1/2 teaspoon fine sea salt
• 1/4 teaspoon black pepper
• 2 cups shredded sharp cheddar cheese, divided

Additional:

• 2 cups cooked chicken, diced or shredded