Keto Lemon Meringue Cupcakes

Name: Keto Lemon Meringue Cupcakes
Prep time: 45 min
Cook time: 2 h
Total time: 2 h 45 min
Cuisine: Australian
Ingredients: 45 g light-taste olive oil; 50 g powdered sweetener; 200 g almond flour; 4 large eggs; 45 g sour cream; 1 tsp lemon juice & zest; 2 tsp baking powder; 3 egg whites (weight (120g)); ½ tsp cream of tartar; 40 g sweetener of choice; ¼ tsp xanthan gum; 1 tsp lemon juice; 1 tsp vinegar; 1 batch Lemon Curd; 300 ml thickened cream (whipped with extra 20g powdered sweetener.)