Greek Yogurt Parmesan Chicken

Ingredients (8)

• + 1 cup plain Greek yogurt add to pantry
• ✓ ½ cup grated Parmesan cheese
• + ¼ cup panko bread crumbs, or as needed add to pantry
• + ½ (1 ounce) package ranch dressing mix add to pantry
• + 1 teaspoon garlic powder add to pantry
• + 1 teaspoon prepared yellow mustard, or to taste add to pantry
• ✓ ½ teaspoon ground black pepper
• + 3 small skinless, boneless chicken breast halves, pounded 1/2-inch thick add to pantry