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White Chocolate Macadamia Nut Cookies with Sourdough Discard

Stack of chewy white chocolate macadamia nut cookies sourdough discard, with the top cookie broken in half showing the soft interior.

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Make chewy, gourmet cookies using your leftover sourdough discard for a subtle depth of flavor.

Ingredients

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  • 1 cup (2 sticks) unsalted butter, softened
  • 3/4 cup granulated sugar
  • 3/4 cup packed light brown sugar
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • 1 cup unfed sourdough discard (at room temperature)
  • 2 1/4 cups all-purpose flour
  • 1 teaspoon baking soda
  • 1/2 teaspoon salt
  • 1 1/2 cups white chocolate chips or chunks
  • 1 cup chopped macadamia nuts, lightly toasted

Instructions

  1. Preheat your oven to 350 degrees F. Line baking sheets with parchment paper.
  2. In a large bowl, cream together the softened butter, granulated sugar, and brown sugar until light and fluffy.
  3. Beat in the eggs one at a time, mixing well after each addition. Stir in the vanilla extract and the sourdough discard until just combined.
  4. In a separate medium bowl, whisk together the flour, baking soda, and salt.
  5. Gradually add the dry ingredients to the wet ingredients, mixing on low speed until just incorporated. Do not overmix.
  6. Fold in the white chocolate chips and toasted macadamia nuts by hand.
  7. Drop rounded tablespoons of dough onto the prepared baking sheets, spacing them about 2 inches apart.
  8. Bake for 10 to 12 minutes, or until the edges are golden brown and the centers are still slightly soft.
  9. Let the cookies cool on the baking sheets for 5 minutes before transferring them to a wire rack to cool completely.

Notes

  • Toasting the macadamia nuts deepens their flavor, which pairs well with the white chocolate.
  • Using unfed, room-temperature sourdough discard helps maintain a more neutral flavor profile, similar to buttermilk.
  • For chewier cookies, slightly underbake them; they will firm up as they cool.

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