Melt the butter and minced garlic for 30 seconds in the microwave.
Once it's cooled add in the egg and give it a good whisk. After that add in the cheddar cheese, baking powder, almond flour and season with salt and pepper. Give everything a good mix.
Grease a ramekin with butter and pour in the biscuit batter. You can either cook this for 90 seconds in the microwave on high or you can cook in a pre-heated oven at 200C for about 15 minutes. Check at 10min with a toothpick and once that toothpick comes out clean, it's done.
Now allow it to cool for a bit before removing from the ramekin.