Ingredients:
- 1.5 cups (190g) All-purpose flour
- 0.75 cup (150g) Granulated sugar
- 1 tsp Baking soda
- 1 tsp Unsweetened cocoa powder (non-alkalized)
- 0.5 tsp Salt
- 1 cup (240ml) Buttermilk, room temperature
- 0.5 cup (120ml) Vegetable oil
- 1 Large egg, room temperature
- 1 tsp White distilled vinegar
- 1 tsp Vanilla extract
- 1 tbsp Red liquid food coloring
- 1 cup (225g) Unsalted butter, softened to 65°F
- 3.5 cups (420g) Confectioners' sugar, sifted
- 0.5 cup (120g) Fresh strawberry puree (reduced from 1 pint of berries)
- 1 tsp Heavy cream
- 1 pinch fine sea salt
Instructions:
- Reduce berries. Simmer 1 pint of blended strawberries in a saucepan over medium low heat until thick and jam like. Note: You need 0.5 cup of concentrated puree after reduction.
- Preheat oven. Set your oven to 180°C (350°F) and line your tins with paper liners.
- Sift drys. Combine 1.5 cups flour, sugar, baking soda, cocoa, and salt in a large bowl until the color is uniform.
- Whisk wets. In a separate jug, mix 1 cup buttermilk, oil, egg, vinegar, vanilla, and red coloring until no streaks remain.
- Combine gently. Pour the liquid into the dry ingredients and whisk until just smooth. Note: Overmixing leads to tough, bready cupcakes.
- Fill liners. Divide the batter into the prepared liners, filling each about two thirds full to allow for the rise.
- Precision bake. Place in the center rack for 20 minutes until a toothpick comes out clean.
- Cool completely. Move cupcakes to a wire rack; they must be cold to prevent the frosting from melting.
- Cream butter. Beat 1 cup softened butter for 5 minutes until pale and fluffy.
- Finish frosting. Gradually add 3.5 cups powdered sugar, the reduced strawberry puree, cream, and salt, beating until light and airy.