Glazed Lavender Tea Cake

Ingredients

• Cake:
  1 unit
• granulated sugar
  1 cup
• butter or stick margarine

  softened
  5 Tablespoons
• vanilla extract
  ½ teaspoon
• egg
  1 large
• egg white
  1 large
• all-purpose flour
  1- 3/4 cups
• baking powder
  1 teaspoon
• baking soda
  1/4 teaspoon
• salt
  1/4 teaspoon
• plain fat-free yogurt (I substituted
  1 cup
• c. buttermilk-because I had it on hand)
  1 unit
• finely chopped fresh lavender leaves
  2 tablespoons
• cooking spray
  1 unit
• Glaze:
  1 unit
• sifted powdered sugar
  1/3 cup
• water
  1 teaspoon
• vanilla extract
  1/4 teaspoon