Maple Ginger Pear Crisp

Bahan-bahan (8 porsi)

• 2 pounds (about 6 medium) firm-ripe pears ((peeled, cored and chopped))
• 1 tablespoon freshly squeezed lemon juice
• ⅓ cup pure maple syrup
• 2 teaspoons finely grated fresh ginger ((peel, then grate))
• 1 pinch salt
• ½ cup rolled oats ((old-fashioned or quick-cooking oats))
• ½ cup firmly packed brown sugar ((light or dark))
• ¼ cup all purpose flour
• ¼ teaspoon ground ginger
• ¼ teaspoon ground cinnamon
• ⅛ teaspoon freshly grated nutmeg
• ¼ teaspoon kosher salt
• 6 tablespoons (¾ stick) unsalted butter, (melted and cooled to room temperature)