First, gather all of your ingredients. Be sure to select high quality gouda, it's full of better flavour. The gouda is the star of the recipe, let it shine.
Melt the 1 tablespoon of butter in a pan and add the apple, onions and brown sugar. Let the apples and onions caramelize and get brown.
Shredded the gouda while the filling is cooking.
Once the filling is cooked, set it aside. Butter your corn tortillas.
Now, in a new pan (or clean the pan you already used) lay down one tortilla and top with filling and then gouda cheese. Then, top with another buttered tortilla (butter side out, like a grilled cheese). Let it cook on each side for 2-4 minutes - flip a few times, so it doesn't burn on each side.
Let the cheese get all melty - that's the best part.
Done? Yup, done. Time to eat (after you cook them all, or cook one, eat one, cook another, eat another). Enjoy!