Onion Tart

Total Time: 1 hr 35 mins Preparation Time: 35 mins Cook Time: 1 hr

Ingredients

• Servings: 12
• 3 cups all-purpose flour
• 1 1/2 teaspoons salt
• 1 pinch sugar
• 3/4 cup well-chilled butter, cut into â½ inch pieces
• 1/2 cup vegetable shortening, well chilled
• 1/4 cup sour cream
• 1/4 cup ice water (or more)
• 8 ounces thickly-sliced bacon, cut into â½ inch pieces
• 2 tablespoons butter
• 2 lbs onions, halved lengthwise and cut into â¼ inch slices (about 5 medium-large)
• 1/4 cup all-purpose flour (scant)
• 1 1/4 cups milk
• 4 eggs
• 3/4 cup whipping cream
• 1/8 teaspoon freshly grated nutmeg
• 1/8 teaspoon cayenne pepper

Recipe

• 1 for pastry: sift flour, salt and sugar into a large bowl.
• 2 add butter and shortening and cut in until mixture resembles coarse meal.
• 3 blend sour cream with â¼ cup water in small bowl.
• 4 add to flour mixture, stirring gently with fork.
• 5 if necessary, add more water until dough is moist enough to gather into a ball.
• 6 transfer to lightly-floured work surface.
• 7 roll into 8 x 12 inch rectangle.
• 8 fold into thirds, as for business letter, rotate dough â¼ turn.
• 9 repeat rolling and folding once more.
• 10 wrap dough in foil and chill atleast 1 hour or for up to 3 days.
• 11 roll out on lightly-floured surface into 12 x 17 inch rectangle.
• 12 fit into a 10 x 15 x 1 inch pan (preferably black steel, if you have it).
• 13 crimp edge decoratively.
• 14 prick entire surface lightly with fork.
• 15 refrigerate for â½ an hour.
• 16 preheat oven to 390 degrees f.
• 17 line pastry with foil and fill with dried beans or pie weights.
• 18 bake 8 minutes.
• 19 remove pie weights and foil.
• 20 prick pastry lightly again.
• 21 bake until golden-brown, about 10-12 minutes longer.
• 22 (can be prepared 6-8 hours ahead at this point) for filling: cook bacon in large skillet over low heat until browned, about 8 minutes.
• 23 remove with a slotted spoon to keep dripping in the skillet.
• 24 add butter to skillet and increase heat to medium-low.
• 25 add onion, tossing to coat in butter and dripping.
• 26 cover and cook, stirring occasionally, until soft but not browned, about 25-30 minutes.
• 27 sprinkle with flour and stir 3-4 minutes.
• 28 add reserved bacon.
• 29 season lightly.
• 30 (can be prepared 6-8 hours ahead to this point) preheat oven to 375 degrees f.
• 31 spread onion mixture into crust.
• 32 whisk milk, eggs and cream to blend.
• 33 season with nutmeg and cayenne.
• 34 pour evenly over onion.
• 35 bake until filling is set and golden, 30-35 minutes.
• 36 serve warm.