Membrillo (Quince Paste) Recipe

Ingredients

• 4 pounds quince, washed, peeled, cored, roughly chopped
• 1 vanilla pod, split
• 2 strips (1/2 inch by 2 inches each) of lemon zest (only the yellow peel, no white pith)
• 3 Tbsp lemon juice
• About 4 cups of granulated sugar, exact amount will be determined during cooking