Crumbl Churro Cinnamon Buttercream (Printer-Friendly Version)

Thick cinnamon sugar cookies with luscious cinnamon buttercream frosting and a classic churro crunch.

# Ingredients Needed:

→ Cookie Dough

01 - 1 cup unsalted butter, softened
02 - 1/2 cup packed light brown sugar
03 - 1/2 cup granulated sugar
04 - 1 large egg
05 - 1 large egg yolk
06 - 1 teaspoon vanilla extract
07 - 1 teaspoon fresh lemon juice
08 - 2 1/4 cups all-purpose flour
09 - 1/4 cup cornstarch
10 - 1/2 teaspoon baking soda
11 - 1/2 teaspoon baking powder
12 - 1 1/2 teaspoons ground cinnamon
13 - 1/2 teaspoon fine salt

→ Cinnamon Sugar Coating

14 - 1/4 cup granulated sugar
15 - 1 teaspoon ground cinnamon

→ Cinnamon Buttercream Frosting

16 - 1/2 cup unsalted butter, softened
17 - 1 1/2 cups powdered sugar, sifted
18 - 1/2 teaspoon ground cinnamon
19 - 2 tablespoons heavy cream
20 - 1/2 teaspoon vanilla extract

# Step-by-Step Directions:

01 - In a large bowl, beat the softened butter, brown sugar, and granulated sugar together until light and fluffy.
02 - Add the egg, egg yolk, vanilla extract, and lemon juice to the creamed mixture; beat until fully incorporated.
03 - Sift together the flour, cornstarch, baking soda, baking powder, cinnamon, and salt; gradually mix into the wet ingredients just until combined, avoiding overmixing.
04 - Scoop dough into 2-tablespoon portions and roll each in the cinnamon sugar mixture; place on a parchment-lined baking sheet spaced apart.
05 - Bake at 350°F (175°C) for 10-12 minutes or until edges are lightly golden and centers remain soft; cool on the baking sheet for 5 minutes before transferring to a wire rack to cool completely.
06 - Beat softened butter until creamy; gradually add powdered sugar, cinnamon, heavy cream, and vanilla extract, beating until smooth and fluffy.
07 - Pipe or spread the cinnamon buttercream atop cooled cookies and sprinkle with additional cinnamon sugar for finishing touch.

# Helpful Hints:

01 - Use room-temperature ingredients for optimal texture and mixing.
02 - Avoid overmixing after adding flour to maintain softness and chewiness.
03 - Remove cookies from oven when centers look slightly soft for best chew.
04 - Allow cookies to cool fully before frosting to prevent melting the buttercream.

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