Glazed Buttermilk Lemon Loaf

Name: Glazed Buttermilk Lemon Loaf
Prep time: 20 min
Cook time: 55 min
Total time: 1 h 15 min
Cuisine: American
Ingredients: zest of 1 1/2 lemons (unwaxed); 1 cup (200g) granulated sugar; 1 cup (227g) unsalted butter at room temperature; 3 large eggs at room temperature; 1/2 tsp (2.5ml) vanilla; 1 3/4 cup (224g) sifted cake flour; 1 1/2 tsp (9g) baking powder; 1/2 tsp (3g) salt; 1/2 cup (125ml) buttermilk at room temperature; 1 1/2 cups (319g) icing sugar; 1/3 cup (80ml) lemon juice to start then add 1 tbsp at a time as needed until glaze is a thick consistency