Bacon & Onion Tart - Andrew Zimmern

Ingredients

• 1 cup all-purpose flour
• 1/4 teaspoon salt
• 1/2 stick cold unsalted butter, cubed
• 2 tablespoons cold vegetable shortening, scooped into teaspoon-size pieces
• 3 tablespoons ice water
• 4 ounces thickly sliced double-smoked bacon, cut crosswise into 1/4-inch strips
• 1 small onion, halved and very thinly sliced
• 1 teaspoon pure maple syrup
• 3 tablespoons crumbled soft goat cheese
• 2 tablespoons sour cream
• 1 large egg
• 1 egg yolk
• 1/4 teaspoon ground allspice
• 1 1/4 teaspoons fine sea salt
• 1/4 teaspoon freshly ground white pepper
• 1 cup heavy cream
• 3/4 cup shredded Gruyère cheese