Classic Crumb Cake

Ingredients

• 12 cup butter, at room temperature
• 1 14 cups granulated sugar
• 34 teaspoon salt
• 2 teaspoons vanilla extract
• 18 teaspoon lemon oil (or 1 teaspoon grated lemon peel)
• 3 large eggs
• 1 12 cups all-purpose flour
• 18 teaspoon baking soda, heaping
• 12 cup plain yogurt (or vanilla yogurt, buttermilk or sour cream)
• 4 tablespoons butter, melted
• 1 cup all-purpose flour
• 23 cup confectioners' sugar
• 14 teaspoon salt
• 12 teaspoon vanilla extract
• 1 -2 tablespoon confectioners' sugar (or non-melting white sugar, for sprinkling on top)