Caramelized Onion Roasted Garlic Bisque

INGREDIENTS

large whole garlic head

1 1/2 tbsp

olive oil (divided use)

9 cups

about 4 large thinly sliced sweet onions

2 1/2 cups

about 2 medium sliced leeks

1 tsp

salt (divided use)

1 tsp

dried thyme

2 tbsp

all-purpose flour

1/3 cup

dry white wine

4 cups

vegetable broth

2 cups

milk

Fresh thyme leaves for garnish

Freshly ground black pepper for garnish