Apple Crumble

Ingredients

• 12 tablespoons/170 grams unsalted butter melted, plus more for buttering the pan
• 1 1/2 cups/180 grams all-purpose flour
• 1 1/2 cup/300 grams packed dark brown sugar divided
• 1 cup/80 grams old-fashioned rolled oats
• 1 cup/113 grams pecans chopped
• 1 teaspoon kosher salt
• 3 1/2 pounds mixed apples such as Granny Smith, Macintosh, and Pink Lady, peeled, cored, and cut into 1/2-inch wedges (about 8 medium a
• 1 tablespoon ground cinnamon
• 2 tablespoons fresh lemon juice