Baked Apple Slices

Bahan-bahan (6 porsi)

• ⅓ cup light brown sugar (tightly packed)
• 1 tablespoon granulated sugar
• 1 tablespoon cinnamon
• 2 teaspoons cornstarch
• 4 to 5 large apples (peeled, cored, and sliced about ⅓" - ½" thick, this is about 3 lbs. I like to use Honeycrisp or Gala)
• 1 tablespoon fresh lemon juice
• ½ cup chopped walnuts (optional)
• 3 tablespoons salted butter (cut into 6 pieces)