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Delicious Grandma's Irish sugar cookies on a festive plate
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Grandma’s Irish Sugar Cookies

Creamy, buttery, and lightly crisp on the edges—Grandma’s Irish Sugar Cookies are the kind of comfort cookie that makes the whole kitchen smell like a warm hug.
Prep Time15 minutes
Cook Time12 minutes
Total Time27 minutes
Course: Dessert
Cuisine: Irish
Keyword: Easy
Servings: 24 cookies

Equipment

  • Mixing Bowl
  • Baking Sheet
  • Parchment Paper
  • Electric Mixer

Ingredients

Dry Ingredients

  • 2 cups All-purpose flour
  • 1/2 tsp Baking soda
  • 1/2 tsp Salt
  • 1/2 tsp Cream of tartar

Wet Ingredients

  • 1/2 cup Granulated sugar plus additional for rolling
  • 1/2 cup Powdered sugar
  • 1 large Egg
  • 1/2 cup Butter, softened at room temperature
  • 1/2 cup Vegetable oil
  • 1/2 tsp Vanilla extract

Instructions

  • Preheat oven to 350°F (175°C) and line a baking sheet with parchment paper.
  • In a large bowl, cream together the granulated sugar, powdered sugar, softened butter, and vegetable oil until light and fluffy.
  • Beat in the egg and vanilla extract until fully incorporated and the batter looks smooth.
  • In a separate bowl, whisk together the all-purpose flour, baking soda, salt, and cream of tartar.
  • Gradually add the dry ingredients to the wet ingredients, mixing on low speed until a soft dough forms.
  • Scoop and roll the dough into 1-inch balls and roll each ball in additional granulated sugar.
  • Place the cookie dough balls onto the prepared baking sheet, spacing them 2 inches apart.
  • Gently flatten each cookie slightly with the palm of your hand.
  • Bake for 10–12 minutes, or until the edges are lightly golden.
  • Let the cookies cool on the baking sheet for 5 minutes, then transfer to a wire rack to cool completely.

Notes

Store cooled cookies in an airtight container at room temperature for up to 4 days.