Mashed Potato Soup with Tarragon

INGREDIENTS

2 tbsp

butter or olive oil ((vegan))

1/2 cup

chopped onion

3 cloves

garlic (, minced)

2 tbsp

flour

2 cups

stock (, chicken or veggie)

1/2

to 1 C milk or unsweetened non-dairy milk (, about)

2 1/2 cups

leftover mashed potatoes

2 tbsp

chopped fresh tarragon

1 tbsp

chopped fresh parsley

salt (, to taste)

white pepper (, to taste)

herb oil or olive oil for drizzle (, optional)

additional fresh parsley or tarragon (, chopped, for garnish)