Almás Rétes

Ingredients

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