Ingredients (Cupcake):
- 1 2/3 cup all-purpose flour (213g)
- 1 cup granulated sugar (200g)
- 1/4 tsp baking soda
- 1 1/2 tsp baking powder
- 1/4 tsp kosher salt
- 3/4 cup unsalted butter (170g), melted
- 3 egg whites, at room temperature
- 1/4 to 1 tsp Concentrated Flavour
- 1/2 cup sour cream (120mL), at room temperature
- 1/2 cup whole milk (120mL), warm
Instructions (Cupcake):
- Preheat your oven to 350 degrees F (175 degrees C) and line a cupcake pan with cupcake papers.
- In a large bowl, sift together the flour, sugar, baking soda, baking powder, and kosher salt. This will ensure that your dry ingredients are well combined and free of any lumps.
- Add the melted butter, egg whites, Concentrated Flavour, sour cream, and warm milk to the dry ingredients. Mix until the batter is smooth and well incorporated.
- Divide the batter evenly among the cupcake papers, filling each one about two-thirds full.
- Bake in the preheated oven for 18-20 minutes, or until a toothpick inserted into the center of a cupcake comes out clean.
- Remove the cupcakes from the oven and allow them to cool completely before frosting.
Ingredients (Icing):
- 2 lb confectioners sugar (900g), sifted
- 1 lb unsalted butter (450g), at room temperature
- 1/4 to 1 tsp Concentrated Flavour
- 1 tbsp heavy cream
- 1 pinch kosher salt
- 1 tsp whole milk
Instructions (Icing):
- In a large bowl, cream together the sifted confectioners sugar and room temperature butter until light and fluffy.
- Add the Concentrated Flavour, heavy cream, kosher salt, and whole milk to the bowl. Mix until all the ingredients are well combined and the frosting is smooth.
- Once the cupcakes have cooled, generously frost each one with the vanilla buttercream frosting.