Broccoli gratin LCHF

For two people, I used
300g Frozen broccoli
A little Butter
1/2 decilitrel Cream
2 layers of cheese

Do this
Preheat the oven to 175C
Add the broccoli in a baking pan
Add a little butter, pour the cream and cover with 2 layers of cheese
Put in the oven for 40-50 minutes or until golden :-)