INGREDIENTS
2 tbsp
olive oil
6 cups
frozen diced hash brown potatoes
1/2
onion , diced
2 cloves
fresh garlic , minced
1 1/2 tsp
fresh parsley , chopped
1/2 tsp
dry mustard
salt & pepper
1 1/2 tbsp
flour
1 1/2 cups
milk
1/2 cup
sour cream
2 cups
sharp cheddar , divided