1-Let’s dive into making these delightful Red Velvet Thumbprints, starting with the basics. First, preheat your oven to 300 degrees Fahrenheit and line a baking sheet with parchment paper or a silicone mat for easy cleanup. This simple prep sets the stage for baking success and keeps things neat.

2-Next, in a mixing bowl, beat together 1 cup butter, 1/2 cup brown sugar, 1 egg yolk, and 1 teaspoon vanilla extract until the mixture is light and fluffy. This step brings all the flavors together and makes the base of your cookies extra tasty. Then, mix in 2 cups all-purpose flour, 4 teaspoons red food coloring, and 2 teaspoons cocoa powder to form a soft dough that captures that classic red velvet vibe.

3-Scoop the dough by heaping tablespoons, roll each ball in 1/2 cup granulated sugar or sanding sugar, and place them about 2 inches apart on your prepared baking sheet. Use the back of a round teaspoon to create a small indentation in each ball, which is where the creamy filling will go later. Bake for 10 minutes, then prepare the filling by beating 4 ounces cream cheese, 1 egg yolk, 1/4 cup sugar, 1/8 teaspoon salt, and 1/4 teaspoon vanilla until smooth.

4-Baking and Finishing Touches: After the initial bake, deepen those indentations and add about 1 teaspoon of filling to each cookie. Pop them back in the oven for another 12 minutes until the filling sets just right. Let the cookies cool completely before serving, and remember to store them covered and chilled for the best results. For dietary tweaks, check the substitutions section to adjust as needed.