Chocolate espresso cupcakes - Canada Agriculture and Food Museum

Ingredients

• 1 cup (250 mL) all-purpose flour
• ¼ cup (60 mL) cocoa powder
• 1 tsp (5 mL) baking powder
• ½ tsp (2.5 mL) baking soda
• ¼ tsp (1 mL) salt
• 1 cup (250 mL) sugar
• ½ cup (125 mL) canola oil
• ½ cup (125 mL) milk
• 1/3 cup (75 mL) espresso or strong coffee
• 1 tsp (5 mL) vanilla extract
• 1 large egg
• ½ cup (125 ml) butter
• 3 cups (750 ml) icing sugar
• 2 tbsp (30 mL) espresso
• 1 tbsp (15 mL) milk
• 2 cups (500 mL) icing sugar
• 3 tbsp (45 mL) cocoa powder