Slow Cooker Cream of Mushroom Soup

INGREDIENTS

dried porcini mushrooms, cut into 1/4-inch pieces, dried

1 1/2

lbs Cremini mushrooms

2 cloves

Garlic

1/4 tsp

Tarragon, dried

1/2 tsp

Thyme, dried

Yellow onion, medium

2 cups

Vegetable broth, low-sodium

2 tsp

Lemon juice, freshly squeezed

1/2 tsp

Black pepper, freshly ground

3/4 tsp

Kosher salt

4 tbsp

Butter, unsalted

1/2 cup

Heavy cream

2 tbsp

Sherry, dry