Grandmas Secret apple pie filling Better Than Ever

Ingredients

• 6 medium apples (about 3 lbs / 1.36 kg), a mix of firm, tart varieties (e.g., Granny Smith, Honeycrisp, Braeburn)
• 1/2 cup (100g) granulated sugar
• 1/4 cup (50g) packed light brown sugar
• 2 tablespoons all-purpose flour
• 1 teaspoon ground cinnamon
• 1/4 teaspoon ground nutmeg
• 1/4 teaspoon ground allspice (optional)
• 1/4 teaspoon salt
• 1 tablespoon lemon juice
• 2 tablespoons unsalted butter, cut into small pieces
• 1 teaspoon vanilla extract
• 1 tablespoon of Calvados or Brandy (optional)