Preheat the oven to 350F.
Spray an 8 inch cast iron skillet with cooking spray and set aside.
In a large bowl, combine almond flour, salt, baking powder and cheddar cheese.
Add in the melted butter, beaten eggs, heavy cream and jalapeños.
Stir well.
Pour the batter into the prepared skillet and bake in the oven for 30 minutes or until a toothpick comes out clean.
Cut into eight pieces and serve.
