Creamy Cauliflower Mushroom Soup

Ingredients

• 2 tbsp. olive oil (divided)
• 2 garlic cloves (minced)
• 1 large leek (chopped, white and green parts separated)
• 1 cup dry white wine
• 5 cups cauliflower florets (about 1 lb.)
• 4 cups vegetable broth
• 2 cups unflavored soy or almond milk
• 1/2 tsp. black pepper
• 1/4 tsp. salt (or to taste)
• 1 lb. white button mushrooms (wiped clean, stems removed, and sliced)