01 - Place diced mangoes and lemon juice in a blender or food processor. Purée until completely smooth.
02 - In a medium saucepan, whisk together the sugar and cornstarch until evenly blended.
03 - Add the mango purée and coconut milk to the saucepan. Whisk thoroughly until smooth and no lumps remain.
04 - Place the saucepan over medium heat. Cook, whisking constantly, until the mixture starts to thicken and bubble, approximately 5–8 minutes.
05 - Remove from heat once thickened. Stir in the vanilla extract and optional turmeric for vibrant color.
06 - Pour the curd into a clean jar or bowl. Allow to cool to room temperature, then refrigerate for at least 2 hours to set completely.
07 - Serve chilled as a spread on toast, swirled into yogurt, or layered in desserts.