Best Soft Christmas Cookies (Soft and Frosted) - My Home Made Recipe

Ingredients

• 1 cup (226 g) unsalted butter, softened
• 1 1/4 cups (250 g) granulated sugar
• 1 large egg, room temperature
• 1 large egg yolk, room temperature
• 2 teaspoons vanilla extract
• 1/4 teaspoon almond extract
• 1/3 cup (80 g) sour cream, room temperature
• 3 cups (360 g) all-purpose flour, spooned and leveled
• 2 tablespoons (16 g) cornstarch
• 1 1/2 teaspoons baking powder
• 1/2 teaspoon baking soda
• 3/4 teaspoon fine salt
• 1/2 cup (113 g) unsalted butter, softened
• 2 1/2 cups (300 g) powdered sugar
• 2-3 tablespoons heavy cream or whole milk
• 1 teaspoon vanilla extract
• 1 pinch fine salt
• Gel food coloring, optional
• 1/3 cup red and green holiday sprinkles