Grapefruit is more than a breakfast fruit — its bright, tangy flavor makes for excellent cookies. These soft, chewy grapefruit cookies combine the caramel notes of brown butter with fresh grapefruit zest for a bright, balanced bite. They’re simple to make by hand and rely on everyday pantry ingredients.
Grapefruit offers a milder citrus note than lemon but still brings a clean, refreshing brightness. Paired with lightly browned butter, the cookies gain depth without losing the fruit’s lift.
These cookies are excellent with coffee or tea. If you enjoy citrus in baked goods, you’ll also like recipes that use other citrus flavors and delicate textures.
Why You’ll Love This Recipe
- Browned butter adds warm, caramel-like depth.
- Fresh grapefruit zest gives a bright, slightly floral citrus note.
- Soft centers and crisp edges create a satisfying texture contrast.
- The dough can be mixed by hand — no mixer required.
- A sprinkle of flaky sea salt on top balances sweetness and enhances flavor.
Ingredients
Notes on key ingredients:
- Use 1 large room-temperature egg plus 1 egg yolk — the extra yolk helps create a chewy texture.
- Start with ¾ cup (170 g) unsalted butter and brown it lightly to a honey color. After browning you’ll have about 150 g. Browning should be light so it enhances, not overwhelms, the citrus.
- Combine dark brown sugar and granulated sugar. Brown sugar lends moisture and chewiness; granulated sugar helps the cookies develop crisp edges.
- Plan on 2 grapefruits to yield about 2½–3 tbsp zest. Ruby Red or pink grapefruit work best — they’re sweeter and less bitter than standard grapefruit.
- A small amount (about ¼–⅓ inch) of freshly grated ginger adds warmth without competing with the grapefruit. It’s optional.
- 1 tablespoon yogurt or sour cream is optional but recommended for a tender crumb.
- Spoon flour into the cup or weigh it for accuracy. Use all-purpose flour.
- Baking soda helps the cookies spread and set; cornstarch keeps the centers tender.
- Flaky sea salt is optional but recommended as a finishing touch.
See the recipe card below for a full ingredients list and exact measurements.
Substitutions and Variations
- If you prefer not to brown butter, substitute 10 tablespoons (140 g) melted unsalted butter.
- Roll dough balls in turbinado or coarse sugar before baking for extra crunch and sparkle.
How to Make Grapefruit Cookies
Quick Video Recap
Step by Step Instructions
Step 1: Melt the butter in a light-colored saucepan over medium heat. Stir and watch for light golden flecks on the bottom. When it smells nutty and is a honey color (not dark), remove from heat and pour into a bowl. Let cool 5–10 minutes until warm but still liquid.
Step 2: Add granulated sugar to a large bowl and rub in the grapefruit zest with your fingertips until fragrant. Whisk in the brown sugar until combined.
Step 3: Whisk the warm brown butter and salt into the sugar mixture. Add the egg, egg yolk, vanilla, grated ginger (if using), and yogurt or sour cream (if using). Sprinkle the baking soda and cornstarch over the bowl and stir to combine.
Step 4: Stir in the flour until just combined. Scoop roughly 1½ tablespoons (about 28–30 g) of dough — a #40 scoop works well. Place the dough balls on a plate or sheet pan, cover, and chill in the fridge for 30 minutes. After 15 minutes of chilling, preheat the oven to 350°F (175°C).
Step 5: Line baking sheets with parchment. Place dough balls 2–3 inches apart and bake one sheet at a time for 9–10 minutes, until the edges begin to turn golden. The centers should still look soft.
Step 6: Cool the cookies on the baking sheet for 5 minutes, then transfer to a wire rack to cool completely. Sprinkle with flaky sea salt immediately after baking if desired.
Expert Tips
- Use a Microplane for zesting and remove only the colored outer layer; avoid the bitter white pith.
- A light-colored saucepan helps you monitor the butter’s color as it browns.
- A #40 cookie scoop yields evenly sized cookies so they bake consistently.
- Rubbing the zest into the granulated sugar releases aromatic oils and distributes flavor.
- Use ginger sparingly so it doesn’t overpower the grapefruit.
- Remove the cookies from the oven when centers look slightly underbaked — they’ll firm up while cooling.
Recipe FAQs
The edges should be set and lightly golden while the centers remain soft and slightly shiny. They may look underbaked, but they continue to set as they cool.
Yes, but the dough will firm up and be harder to scoop. Scooping before chilling is usually faster and gives neater balls.
Keep baked cookies in an airtight container at room temperature for 2–3 days. Freeze baked cookies for up to 2 months.
More Recipes You’ll Love
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Lemon White Chocolate Cookies
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Turmeric Cookies
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Grapefruit Olive Oil Cake
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Grapefruit Cookies
Natalie
Ingredients
- ¾ cup (170 g) unsalted butter, lightly browned and cooled 5–10 minutes (or 10 tbsp / 140 g melted butter)
- ½ cup (100 g) granulated sugar
- 3 tbsp (≈10 g) grapefruit zest (from 2 Ruby Red or pink grapefruits)
- ¾ cup (165 g) dark brown sugar, packed
- ½ tsp salt
- 1 large egg, room temperature
- 1 egg yolk
- ½ tsp vanilla extract
- ½ tsp fresh grated ginger (optional)
- 1 tbsp yogurt or sour cream (optional)
- 1 tsp baking soda
- 2 tsp cornstarch
- 2½ cups (312 g) all-purpose flour
- Flaky sea salt for sprinkling (optional)
Instructions
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Brown the butter: Add ¾ cup (170 g) unsalted butter to a light-colored saucepan over medium heat. Stir as it melts; it will foam, bubble, and then slow. Watch for light golden flecks and a nutty aroma. When it reaches a honey-colored amber, remove from heat and pour into a bowl, scraping in the browned bits. Let cool 5–10 minutes until warm but still liquid. (Or use 10 tbsp / 140 g melted butter if skipping browning.)
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Zest 2 grapefruits with a microplane, taking only the colored outer layer. You should have about 2½–3 tbsp (8–10 g).
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In a large bowl, rub the grapefruit zest into the granulated sugar until fragrant. Whisk in the dark brown sugar. Add the warm browned butter and salt and mix until combined. Add the egg, yolk, vanilla, ginger (if using), and yogurt (if using).
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Sprinkle baking soda and cornstarch over the bowl and stir in. Add the flour and mix until just combined; avoid overmixing.
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Scoop about 1½ tbsp (28–30 g) portions of dough onto a plate or sheet pan. Cover and chill in the refrigerator for 30 minutes. After 15 minutes of chilling, preheat the oven to 350°F (175°C).
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Line baking sheets with parchment and place dough balls 2–3 inches apart. Bake one sheet at a time for 9–10 minutes until edges are lightly golden and centers still look soft. Cool on the pan 5 minutes, then transfer to a wire rack to cool completely. Sprinkle with flaky sea salt if desired.
Notes
Zesting: Zest only the colored rind with a microplane. Rub the zest into the granulated sugar to release oils and spread the flavor.
Chill: Chill dough at least 20 minutes and up to 2 days, covered in the fridge.
Browning butter: Use a light pan so you can see color changes. Lightly browning to a honey color adds flavor while preserving the citrus notes. If skipping, use 10 tbsp / 140 g melted butter.
Ginger: Use sparingly; it should add warmth, not dominate the grapefruit.
Don’t overbake: Cookies will firm up as they cool, so remove them while centers remain slightly soft.
Nutrition
Nutritional values are estimates and for guidance only.