Lemon Rosemary Cake

Name: Lemon Rosemary Cake
Prep time: 10 min
Cook time: 50 min
Total time: 1 h
Cuisine: American
Ingredients: 3/4 cup butter (room temperature); 1 cup Dixie Crystals sugar; Zest of one lemon; 2 Tablespoons lemon juice; 2 teaspoons vanilla; 1/2 cup vanilla yoghurt; 3 eggs; 1 1/2 cups flour; 2 teaspoons baking powder; 1/2 teaspoon salt; 1 Tablespoon fresh rosemary (finely chopped); 1 cup Dixie Crystals powdered sugar; 3 to 4 Tablespoons fresh lemon juice; Rosemary sprigs (optional)