mini vanilla cake with blueberry frosting - Pass the Cookies

Ingredients

• 1 ¾ cup sugar
• 2 ½ cups flour
• 1 ½ teaspoons baking soda
• 1 ½ teaspoons baking powder
• 1 ½ teaspoons salt
• 2 eggs
• 1 cup milk
• ½ cup canola oil
• 1 ½ teaspoons vanilla
• ¾ cup boiling water
• 3 egg whites
• ¾ cup sugar
• ¾ cup unsalted butter, softened
• 1 teaspoon vanilla
• 3 tablespoons blueberry jam or preserves*