Vodka sauce adds a creamy note to the sauce.

If you dont have vodka sauce on hand, add a few tablespoons of cream to regular marinara.

Add penne and cook according to package directions.

a recipe photo of the Creamy Chicken & Penne Alla Vodka Casserole with Peas

Photo:Photographer: Jake Sternquist, Food stylist: Annie Probst, Prop stylist: Gabriel Greco

Position rack in the upper third of oven.

Preheat broiler to High.

Meanwhile, heat 1 tablespoon oil in a large broiler-safe skillet over medium heat.

the ingredients to make the Creamy Chicken & Penne Alla Vodka Casserole with Peas

Photographer: Jake Sternquist, Food stylist: Annie Probst, Prop stylist: Gabriel Greco

Add onion and cook, stirring, until softening and starting to brown, about 3 minutes.

Sprinkle chicken with salt and pepper.

Add the remaining 1 tablespoon oil to the skillet.

a step in making the Creamy Chicken & Penne Alla Vodka Casserole with Peas

Photographer: Jake Sternquist, Food stylist: Annie Probst, Prop stylist: Gabriel Greco

Add the chicken and cook, stirring, until almost cooked through, about 5 minutes.

Remove from heat and sprinkle with mozzarella.

Broil until the cheese is melted and browned in spots, 2 to 3 minutes.

a photo of someone sprinkling cheese over the Creamy Chicken & Penne Alla Vodka Casserole with Peas

Photographer: Jake Sternquist, Food stylist: Annie Probst, Prop stylist: Gabriel Greco