Green Apple Sangria

INGREDIENTS

• 2 green apples (such as Granny Smith), cored, cut into 3/4-inch pieces
• Zest of 1 orange, removed in long strips with a vegetable peeler
• 3/4 fresh orange juice
• 2 cinnamon sticks
• 3/4 brandy
• 1/2 fresh lemon juice
• 1/3 sugar
• 1/4 Cointreau or other orange liqueur
• 1 750-ml. bottle Spanish red wine
• 1 (about) club soda
• Orange slices