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Square Cookies

A collection of 29 creative decorating ideas for square cookies, featuring a versatile base recipe that can be adapted for healthier options.
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Prep Time 1 hour
Cook Time 12 minutes
Total Time 1 hour 12 minutes
Servings: 24 cookies
Course: Dessert, Snack
Cuisine: American
Calories: 150
Ingredients Method Notes

Ingredients
  

Basic Square Cookie Dough
  • 2 1/2 cups all-purpose flour (or 2 cups almond flour for low carb)
  • 1 cup butter, softened (or coconut oil for dairy-free)
  • 1 cup granulated sugar (or erythritol for low sugar)
  • 1 large egg
  • 1 tsp vanilla extract
  • 1/2 tsp salt
  • 1/2 tsp baking powder
Icing and Decorating
  • 3 cups powdered sugar
  • 3–5 tbsp milk or almond milk
  • 2 tbsp meringue powder (optional for royal icing)
  • Food coloring gels
  • Sprinkles, edible pearls, cocoa powder, or crushed nuts
  • Dark chocolate or white chocolate for drizzling
  • Protein powder (optional for high-protein version)
  • Coconut flakes, freeze-dried fruit powder

Method
 

Preparation
  1. Cream butter and sugar until light. Beat in egg and vanilla. Mix flour, salt, and baking powder. Stir dry into wet until just combined.
  2. Wrap and chill dough for 30–60 minutes to firm up for clean square cuts.
Baking
  1. Roll dough on a floured surface to 1/4 inch thick. Cut with a square cutter. Transfer to lined baking sheet.
  2. Preheat oven to 350°F (175°C). Bake for 8–12 minutes until edges are set and pale gold. Do not overbake for a soft cookie.
  3. Let cookies cool on the sheet for 5 minutes then move to a rack to cool completely.
Icing and Decorating
  1. Mix powdered sugar and milk to a smooth thick but spreadable glaze. Divide and color as desired.
  2. Use piping bags for clean lines. Flood with base color then add details, sprinkles, or stencils while icing is wet. Let set completely before stacking.

Notes

For a balanced snack, pair cookies with a small bowl of mixed berries and low-fat yogurt. To ensure longevity, store iced cookies in a single layer in an airtight container at room temperature for up to 3 days or freeze un-iced cookies for up to 3 months.