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grapefruit muffins recipe pink buttermilk topping

Pink Grapefruit Muffins

Kimberly Killebrew
Wonderfully fragrant and flavorful with a moist and tender crumb and a delightful grapefruit sugar topping!  
Print Recipe
4.98 from 43 votes
Prep Time 10 minutes
Cook Time 20 minutes
Total Time 30 minutes
Course Dessert, Muffins
Servings 12 muffins
Calories 248 kcal

Ingredients
  

  • 1/2 cup butter , at room temperature
  • 1 cup sugar
  • 2 large eggs , separated
  • 3/4 cup buttermilk
  • zest of one pink grapefruit , about 1 1/2 tablespoons
  • 1/2 cup freshly squeezed pink grapefruit juice
  • 1 teaspoon quality pure vanilla extract
  • 2 cups all-purpose flour
  • 1 1/2 teaspoons baking powder
  • 1 teaspoon baking soda
  • 1/4 teaspoon salt
  • For the Grapefruit Sugar Topping:
  • 2 teaspoons pink grapefruit zest
  • 1/4 cup sugar

Instructions
 

  • Preheat the oven to 350 F. Grease a 12-cup muffin pan unless using non-stick.  
    Cream the butter and sugar in a large bowl for several minutes until light pale and fluffy. Add the egg yolks and beat until combined. Add the grapefruit juice, zest, and vanilla extract and beat until combined.
    In a separate bowl, combine the flour, baking powder, baking soda and salt. A bit at a time, carefully fold the flour mixture into the batter using a rubber spatula. Add the buttermilk between flour additions. Some lumps are fine. Be careful not to over-stir.
  • Beat the egg whites until soft peaks form. Using a rubber spatula, carefully fold the egg whites into the batter, again being careful not to over-stir. Spoon the batter into the muffin tins about 3/4 full.
  • To make the grapefruit sugar, use your fingers to combine the grapefruit zest with the sugar in a small bowl. Sprinkle the grapefruit sugar on top of the muffins.
    Bake for 20-25 minutes or until a toothpick inserted into the center of a muffin comes out clean. Let the muffins sit for 5 minutes, then transfer them to a wire rack.

Nutrition

Serving: 1muffin | Calories: 248kcal | Carbohydrates: 39g | Protein: 4g | Fat: 9g | Saturated Fat: 5g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 2g | Cholesterol: 49mg | Sodium: 228mg | Potassium: 122mg | Fiber: 1g | Sugar: 23g | Vitamin A: 301IU | Vitamin C: 3mg | Calcium: 49mg | Iron: 1mg
Keyword Grapefruit Muffins
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