Preserved Lemon Sesame Loaf Cake

Name: Preserved Lemon Sesame Loaf Cake
Ingredients: 1 large or 2 small preserved lemons; 1 cup (230 g) plain full-fat yogurt; 1 cup (200 g) granulated sugar; 1/2 cup (100 g) extra virgin olive oil; 3 large eggs; 1/2 teaspoon vanilla extract; Finely grated zest of 1 lemon (optional); 1 1/2 cups (180 g) all-purpose flour; 2 teaspoons (8 g) baking powder; 1/2 teaspoon (3 g) kosher salt OR 1-2 tsp preserved lemon brine; 1/4 cup (36 g) sesame seeds; 1 cup powdered sugar (optional); 2 tablespoons lemon juice (optional); Sesame seeds for sprinkling (optional)