This citrusy and zesty lemon cake is filled with a yummy mascarpone on the inside and a luscious Swiss meringue buttercream that melts in your mouth on the outside. It is quite easy to make, with a tantalizing smell and tastes even better! Ingredients: For the Cake: 2 cups all-purpose flour (240g) 1 ΒΌ cup white sugar (250g) 1/3 cup fresh lemon juice (80ml) 3 tbs grated…