Caramelized Pear and Hazelnut Crumble Tart.

Bahan-bahan (6 porsi)

• 1 1/4 cups all-purpose flour
• 1/2 teaspoon salt
• 8 tablespoons unsalted butter (cold, 1/2 cup)
• 1/4 cup buttermilk
• 8 tablespoons unsalted butter (softened, 1/2 cup)
• 1/3 cup light brown sugar
• 2 eggs
• 1 egg yolk (discard the white or save for another use)
• 2 teaspoons vanilla extract
• 2 tablespoons hazelnut liquor (optional)
• 1/2 teaspoon salt
• 1 1/2 cups hazelnut flour (or almond flour)
• 1/3 cup maple syrup
• 3 -4 in pears (thinly sliced 1/4 inch slices)
• 1/4 cup hazelnuts (roughly chopped)
• 2 tablespoons pistachios (roughly chopped)
• 1/4 cup old fashioned oats
• 2 tablespoons unsalted butter
• 2 tablespoons brown sugar
• 1/2 teaspoon ground ginger
• pinch of salt