Foryoueats: Soft Gingerbread Pryaniki Cookies

Ingredients

• For the Gingerbread Cookies:
• 1 large egg yolk
• 1 cup packed light brown sugar
• 1 cup sour cream
• 1 /2 tsp baking soda
• 1/2 tsp white vinegar
• 1/4 tsp salt
• 1/2 tsp vanilla extract
• 1 1/2 tsp ginger
• 1 1/2 tsp cinnamon
• 1/4 tsp ground nutmeg
• 2 1/4 cups all-purpose flour **
• For the Vanilla Glaze:
• 2 large egg whites
• 2 cups powdered sugar
• 1 tsp vanilla extract
• Decor/Toppings:
• Food coloring gels as desired.
• Crystal Sprinkles or any sprinkles really