Vanilla Cupcakes with Vanilla Buttercream Frosting

INGREDIENTS

1 cup

buttermilk (1 cup milk + 1 teaspoon vinegar)

large egg

1/2 cup

oil (I used vegetable oil, but you can use canola oil)

2 tbsp

vanilla extract

1 cup

white granulated sugar

and ½ cups all-purpose flour

1/4 tsp

salt

1 tsp

baking soda

1 cup

unsalted butter, softened to room temperature

4 cups

powdered sugar

1/4 cup

heavy cream

1 tbsp

vanilla extract