⭐ Coconut Milk + Lemon Juice (Best Vegan Option)
1 cup coconut milk + 1 tablespoon lemon juice (let sit 5 minutes)Coconut milk provides fat and moisture, while lemon juice adds acidity to mimic buttermilk’s tenderizing effect. The acid curdles the coconut milk slightly, creating a tangy base for the custard.
Let the mixture sit for 5 minutes to allow acidification. Use full-fat coconut milk for richness.
This substitute changes the flavor profile, adding a mild coconut taste and slightly different mouthfeel, but maintains the custard’s moisture and tenderness.