Almás Rétes | Cakes of Hungary | Umami

Ingredients

• 2 cups all-purpose flour
• 1 cup sour cream
• 1 teaspoon vinegar
• 1/4 teaspoon salt
• 2 large egg yolks, at room temperature
• 1 teaspoon baking powder
• 1 tablespoon unsalted butter, melted
• 1/2 cup warm water
• Melted vegetable shortening
• 1/2 cup breadcrumbs
• 10 large Granny Smith apples, peeled, cored, thinly sliced
• 2 cups sugar, or to taste
• 1/2 teaspoon salt
• 8 ounces melted unsalted butter
• 1 splash lemon juice
• 1 tablespoon cinnamon, optional