• Preheat oven to 350 degrees Fahrenheit.
• In a large bowl or stand mixer, combine sour cream, sugar, butter, eggs, vanilla and almond extracts,. Mix well until incorporated.
• In a medium bowl, combine flour, cornstarch, baking powder, baking soda, and salt. Slowly add the dry ingredients to the wet ingredients and mix until combined.
• You can either roll out the dough 1/2 inch thick on a lightly floured surface and cut cookies in circular shapes, or you can scoop out the dough with a cookie scoop, roll the dough in a ball in your hand and lightly flatten it into a circular shape. Place on a parchment-lined cookie sheet and bake for 10-12 minutes. They will be very lightly browned around the edges.
• Transfer to a cooling rack and cool completely before frosting.

Buttercream Frosting

• Add the butter to a mixer and cream for about 2 minutes.
• Slowly add in powdered sugar and beat until smooth.
• Add vanilla and milk and continue to beat until smooth. Add food coloring if desired.