Pumpkin Pecan Streusel Torte - Once Upon a Chef

Ingredients

• 1 cup pecans
• ¾ cup all purpose flour
• 6 tablespoons packed light brown sugar
• 4 tablespoons unsalted butter, melted
• ⅛ teaspoon salt
• 2 large eggs
• 1 (15-oz) can pure pumpkin, such as Libby's
• 1 (12 fl-oz) can evaporated milk
• ½ cup granulated sugar
• ½ cup packed light brown sugar
• 1½ tablespoons all-purpose flour
• 1¾ teaspoons ground cinnamon
• ¼ teaspoon ground nutmeg
• ¼ teaspoon ground ginger
• ⅛ teaspoon ground cloves
• ⅛ teaspoon freshly ground black pepper
• ¼ teaspoon salt
• ⅓ cup all-purpose flour
• ¼ cup rolled oats
• ¾ teaspoon ground cinnamon
• 4 tablespoons cold unsalted butter, cut into small pieces
• ¾ cup chopped pecans