Apple Quince Crumble With Pecan Topping

Ingredients

• 2 quince fruits (peeled, cored, and diced into cubes)
• 2 lemon peels
• 1 star anise (optional)
• ¼ cup water
• ½ cup white sugar (about 3 oz or 90 grams, divided)
• 4 apples (peeled, cored, and diced, Granny Smith or Honeycrisp work well)
• 1 tablespoon lemon juice
• 1 teaspoon ground cinnamon
• 1 teaspoon vanilla extract
• 1 cup all-purpose flour
• ½ cup rolled oats (about 1.5 oz or 40 grams)
• ½ cup brown sugar (packed, about 2.5 oz or 65 grams)
• ¼ teaspoon ground nutmeg
• ½ cup cold unsalted butter (cut into small cubes, about 2.5 oz or 70 grams)
• ½ cup pecans (chopped, about 2 oz or 55 grams)