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Lemon Berry Poppy Cupcakes with Blackberry Filling and Purple Frosting


  • Author: admin
  • Total Time: 50 minutes
  • Yield: 12 servings 1x
  • Diet: Vegetarian

Description

Bright, buttery cupcakes filled with a jammy blackberry surprise and topped with a vibrant purple frosting.


Ingredients

Scale
  • 1 1/2 cups all-purpose flour
  • 2 tsp baking powder
  • 1/4 tsp salt
  • 2 tbsp poppy seeds
  • 1/2 cup unsalted butter, softened
  • 3/4 cup granulated sugar
  • 2 large eggs
  • 1/3 cup Greek yogurt or sour cream
  • 1/4 cup milk
  • Zest of 1 lemon
  • Juice of 1 lemon
  • 1 tsp vanilla extract
  • 1 cup blackberries, fresh or frozen
  • 2 tbsp sugar
  • 1 tbsp lemon juice
  • 1 tbsp cornstarch + 1 tbsp water
  • 1 cup unsalted butter, softened
  • 3 cups powdered sugar
  • 1/2 cup blackberry purée
  • 1/2 tsp vanilla extract
  • 12 tbsp heavy cream
  • Fresh blackberries for garnish
  • Lemon zest strips for garnish
  • Blackberry syrup from the filling for drizzling

Instructions

  1. Preheat oven to 350°F and line a 12-cup muffin tin. Prepare liners and set aside.
  2. Whisk flour, baking powder, salt, and poppy seeds in a bowl and set aside.
  3. In another bowl, beat butter and sugar until fluffy and light.
  4. Add eggs, lemon zest, juice, vanilla, yogurt, and milk to the butter mixture. Beat until smooth.
  5. Mix in dry ingredients until just combined; do not overmix.
  6. Divide batter into liners and bake for 18–20 minutes. Cool completely.
  7. For filling, simmer blackberries, sugar, and lemon juice until soft; mash gently and thicken with cornstarch slurry.
  8. For frosting, beat butter until creamy, then add powdered sugar, purée, and vanilla. Adjust with heavy cream if needed.
  9. Core cupcakes, fill with blackberry mixture, and pipe frosting on top. Garnish and serve.

Notes

Let the blackberry filling cool before using to avoid melting the frosting.

  • Prep Time: 30 minutes
  • Cook Time: 20 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 1 cupcake
  • Calories: 350
  • Sugar: 18g
  • Sodium: 250mg
  • Fat: 18g
  • Saturated Fat: 10g
  • Unsaturated Fat: 8g
  • Trans Fat: 0g
  • Carbohydrates: 45g
  • Fiber: 2g
  • Protein: 4g
  • Cholesterol: 40mg

Keywords: cupcakes, lemon, blackberry, dessert, summer