Dijon Sauced Chicken Breasts

This is from the Land O Lakes website, but I haven't tried it yet. It sounds interesting!

• Ready In: 25 mins
• Serves: 6

Ingredients

• 2  tablespoons butter
• 6 (5 ounce)  boneless skinless chicken breasts
• 1  cup sour cream
• 1⁄3 cup milk
• 2  tablespoons dijon-style mustard
• 1⁄4 cup  sliced green onion

Directions

1. Melt butter in 10-inch skillet until sizzling; add chicken breasts. Cook over medium-high heat, turning once, until chicken is no longer pink (12 to 15 minutes). Remove chicken from skillet; set aside.
2. Add sour cream, milk and mustard in same skillet. Continue cooking, stirring constantly, until sauce is smooth and heated through (1 to 2 minutes).
3. To serve, spoon sauce over chicken; sprinkle with green onions.