Low Carb Green Bean Casserole

Bahan-bahan

2 pounds of Green beans , trimmed

salt & pepper

garlic powder

red chili flakes

2 tbs olive oil

1 pound mild itlaian sausage

1 jar alfredo sauce

1/2 cup Mozzarella cheese

1/2 cup parmesan cheese

1 container of white mushrooms, chopped