Image of Apple Crumble Coffee Cake

Apple Crumble Coffee Cake

Prep Time: 25 min
Cook Time: 40 min

Ingredients

  • 2 teaspoons unsalted butter
  • 2 cups all-purpose flour
  • ½ teaspoon fine sea salt
  • 1 teaspoon baking powder
  • ¾ teaspoon baking soda
  • 1 ½ cups finely chopped toasted walnuts
  • ⅓ cup packed light brown sugar
  • ⅓ cup white sugar
  • ¼ teaspoon salt
  • 1 teaspoon ground cinnamon
  • 3 tablespoons unsalted butter, melted
  • ½ cup unsalted butter, at room temperature
  • 1 cup white sugar
  • 2 large eggs
  • 1 ½ teaspoons vanilla extract
  • 1 cup plain yogurt
  • 2 each Honeycrisp apples