Coffee Kuchen (German Coffee Cake)

Ingredients

• 4 tablespoons unsalted butter, cold and cut into small cubes
• ½ cup all-purpose flour
• 6 tablespoons sugar
• ½ teaspoon cinnamon
• ¼ teaspoon salt
• 2 tablespoons toasted almonds, roughly chopped
• 1 cup all-purpose flour
• 1 heaping teaspoon baking powder
• 1 teaspoon salt
• 1 stick unsalted butter, softened
• ½ cup sugar
• 1 egg
• ¼ cup milk
• 1 teaspoon vanilla extract