Mix the almond flour, coconut flour, Stevia, baking powder, and salt in a large bowl. Set aside.
Mix the cream and egg yolks in a small bowl. Set aside.
Beat the egg whites until fluffy.
Add wet ingredients into the dry and stir until just mixed. Fold in the egg whites and mix.
Fold in cheese and jalapeno.
Drizzle the browned butter over the batter and mix.
PAM spray an 8x8 pan well, put batter into pan, tapping into corners and flattening. (The batter is not liquid'y and will be almost crumbly. Almost like wet breadcrumbs.)
Bake at 325°F for 20-25 minutes or until a toothpick comes out clean and the edges just begin to brown.