INGREDIENTS
2
stalks Celery
1 clove
Garlic
6 cups
Russet potatoes
1
Yellow onion
4 cups
Vegetable stock
1/2 tsp
Pepper
1 pinch
Red pepper flakes
1 tsp
Salt
1 tbsp
Olive oil
1 tbsp
Butter
2 cups
Cheddar cheese
1/2 cup
Parmesan cheese
1/2 cup
Sour cream or cream