Rhubarb Cake

Name: Rhubarb Cake
Prep time: 45 min
Cook time: 45 min
Total time: 1 h 30 min
Cuisine: American
Ingredients: 1 1/2 cups all-purpose flour; 1/2 cup almond flour; 1 teaspoon baking powder; 1/2 teaspoon baking soda; 1/2 teaspoon salt; 1/2 cup unsalted butter (softened to room temperature); 3/4 cup granulated sugar; 2 large eggs; 1 teaspoon vanilla extract; 1/2 teaspoon almond extract; 1/2 cup buttermilk*; 3/4 lb rhubarb (trimmed, halved lengthwise and cut diagonally into 2-inch segments); 1 tablespoon unsalted butter, melted ((for brushing)); 1 tablespoon turbinado or granulated sugar ((for sprinkling))