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Freshly baked brown sugar rhubarb cookies on parchment paper

Brown Sugar Rhubarb Cookies Recipe

These soft and chewy Brown Sugar Rhubarb Cookies combine rich molasses notes from brown sugar with bright, tart rhubarb. An easy, nostalgic cookie recipe that’s perfect for springtime baking—or any time of year.
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Course: Dessert, Snack
Cuisine: American, Farmhouse-Style
Prep Time: 20 minutes
Cook Time: 13 minutes
Resting Time: 10 minutes
Total Time: 43 minutes
Servings: 24 cookies
Calories: 145kcal
Cost: $6–$8

Equipment

  • 2 Baking sheets Lined with parchment or silicone mats
  • 1 Mixing bowl (large) For wet ingredients
  • 1 Mixing bowl (medium) For dry ingredients
  • 1 Electric mixer Or mix by hand
  • 1 Rubber spatula For folding in rhubarb
  • 1 Sharp knife For chopping rhubarb
  • 1 Cooling rack Optional, for crisp cooling

Ingredients

  • 2 cups All-purpose flour Substitute 1:1 gluten-free blend if needed
  • 1 teaspoon Baking soda
  • 0.5 teaspoon Salt
  • 1 teaspoon Ground cinnamon Optional, but recommended
  • 0.25 teaspoon Ground nutmeg Optional
  • 0.75 cup Unsalted butter Softened
  • 1 cup Brown sugar Light or dark, packed
  • 1 Egg Large
  • 1 teaspoon Vanilla extract Or ½ teaspoon vanilla bean paste
  • 2 tablespoon Milk Whole or 2%
  • 1.5 cups Fresh rhubarb Diced into ¼-inch pieces (thawed & dried if frozen)
  • 0.5 cup Rolled oats Optional, or sub with chopped walnuts/pecans

Instructions

  • Preheat oven to 350°F (175°C). Line baking sheets with parchment or silicone baking mats.
  • Whisk together flour, baking soda, salt, cinnamon, and nutmeg in a medium bowl.
  • Cream butter and brown sugar in a large bowl until light and fluffy (3–4 min).
  • Beat in egg, vanilla, and milk until combined.
  • Slowly add dry ingredients to wet; mix until just combined.
  • Toss rhubarb with 1 tablespoon flour, then fold into dough with oats (if using).
  • Let dough rest 10–15 minutes.
  • Scoop dough into tablespoon-sized rounds on baking sheets, 2 inches apart.
  • Bake for 12–15 min or until edges are golden and centers just set.
  • Cool on tray 5 minutes, then transfer to wire rack to cool completely.

Notes

Nutrition information is automatically calculated, so should only be used as an approximation.

Nutrition

Serving: 40g | Calories: 145kcal | Carbohydrates: 22g | Protein: 2g | Fat: 6g | Saturated Fat: 4g | Polyunsaturated Fat: 0.4g | Monounsaturated Fat: 1.2g | Cholesterol: 20mg | Sodium: 105mg | Potassium: 90mg | Fiber: 1g | Sugar: 12g | Vitamin A: 210IU | Vitamin C: 1.2mg | Calcium: 30mg | Iron: 0.8mg