Chocolate Caramel-Nut Popcorn

Ingredients

• 24 cups popped popcorn
• 3 cups granulated sugar
• 1/2 cup light corn syrup
• 1/2 cup dark corn syrup
• 2/3 cup water
• 6 tablespoons stick butter or margarine
• 1/2 teaspoon salt
• 1/2 teaspoon baking soda
• 2 teaspoons vanilla extract
• 12 ounces semisweet chocolate chips (2 cups)
• 1 cup sliced almonds, toasted