Creamy Spinach Chicken

Ingredients

• 1 

  medium yellow onion

• 4 cloves 

  garlic

• 1 pound 

  thin-cut boneless, skinless, chicken breasts (about 3)

• 1 teaspoon 

  kosher salt, plus more as needed

• 1/2 teaspoon 

  freshly ground black pepper

• 1/4 cup 

  all-purpose flour

• 2 tablespoons 

  olive oil

• 1/2 cup 

  low-sodium chicken broth

• 1/2 cup 

  heavy cream

• 1/4 cup 

  sour cream

• 1 tablespoon 

  soy sauce

• 1 teaspoon 

  apple cider vinegar

• 1/4 teaspoon 

  garlic powder

• 1/4 teaspoon 

  red pepper flakes

• 1 tablespoon 

  unsalted butter

• 1 (5-ounce) package 

  baby spinach (5 packed cups)

• Cooked pasta or steamed rice, for serving

Description

1. Pat 1 pound thin-cut boneless, skinless chicken breasts dry with paper towels. Season all over with 1 teaspoon kosher salt and 1/2 teaspoon black pepper. Place 1/4 cup all-purpose flour on a plate. Working with one piece of chicken at a time, press into the flour until evenly coated all over. Place them on a plate on a single layer.