Rustic Apple Tart

Instructions

1. Combine flour and salt in a food processor or electric mixer bowl and mix for 15 seconds. Add shortening and mix for 30 seconds or until mixture looks like coarse meal. Add sour cream and mix for 15 seconds.
2. For crust mixture combine, flour, salt, shortening, sour cream and water. Mix with fingers until dough holds together.
3. Form dough into one flat ball, wrap in plastic wrap, and chill for 30 minutes.
4. Combine butter, apple slices, brown sugar, cinnamon, ginger, and nutmeg in a large microwave-safe bowl. Cover with plastic wrap and microwave on high power for 6 minutes, stirring once during cooking time. Add tapioca, stir, and set aside for 10 minutes.
5. Heat oven to 425°F.
6. Line a large baking sheet with parchment paper and set aside.
7. Roll out dough into a 20" to 22" round on a lightly floured surface. Fold crust in half and carefully place on prepared sheet pan.
8. Spread apple filling in center 10 inches of dough and sprinkle with walnuts. Fold over and pleat edges of dough with fingers, leaving a 5-inch opening in center.
9. Brush top crust with egg yolk mixture. Bake tart on middle oven rack for 20 minutes. Cover with foil and bake an additional 15 minutes or until crust is golden brown.
10. Cool before serving.