Homemade Cream of Mushroom Soup (Rich, Silky, Easy) - My Home Made Recipe

Ingredients

• 4 tablespoons olive oil.
• 4 tablespoons butter.
• 2 pounds cremini mushrooms, chopped.
• Handful shiitake mushrooms, chopped.
• 3/4 cup minced shallots.
• 3 cloves garlic, minced.
• 1 teaspoon kosher salt.
• 3/4 teaspoon dried tarragon.
• 4 cups chicken stock.
• 1/2 cup heavy cream.
• 1/2 teaspoon black pepper.