Apple-Berry Brown Betty

INGREDIENTS

• 1 stick unsalted butter, melted, plus more for the dish
• 2 cups blackberries
• 1/2 cup chopped almonds
• Vanilla ice cream or whipped cream, for topping (optional)
• 1/2 teaspoon freshly grated nutmeg
• 1/2 cup packed light brown sugar
• 1/2 teaspoon kosher salt
• 1 cup crushed sugar cones (about 6 cones)
• 4 Golden Delicious apples, peeled, cored and cut into 3/4-inch pieces
• 1/3 cup granulated sugar
• Finely grated zest and juice of 1/2 lemon
• 1 teaspoon ground cinnamon
• 2 tablespoons all-purpose flour