Classic Birthday Cake

This is my best yellow cake. I spent several years tinkering with the recipe, finally succeeding at creating a cake that is rich and moist and bakes up beautifully. I found the addition of almond flour to be the trick; it keeps the crumb tender over several days. In my original recipe I use the reverse creaming method to add the butter to the cake, but I found that using melted butter (and making this a one-bowl affair) also works great. Any of the other buttercreams in