Meyer Lemon Yogurt Cake

     Meyer lemons are among the easiest to grow lemons here in central Florida. Not only a great source of vitamin C, they offer a unique flavor to baked goods and drinks.

1 (4-ounce) container homemade yogurt or store-bought
1 cup granulated sugar, to taste
3 whole eggs, at room temperature
2 teaspoons pure vanilla extract
2 cups all-purpose flour
1 1/2 teaspoons baking powder
1/4 teaspoon baking soda
1 teaspoon salt
1/2 cup extra-virgin olive oil, or 1/2 cup butter
1 tablespoon Meyer lemon zest

For the icing, which is optional
3 tablespoons sour cream, at room temperature. Do not substitute ricotta cheese! Ask me how I know this.
3/4 cup powdered sugar
juice of 1/2 Meyer lemon, to taste