Broccoli Cheddar Soup

Bahan-bahan (4 porsi)

• 2 tablespoons unsalted butter
• 1 small yellow onion (finely chopped)
• 1 1/4 teaspoons kosher salt
• 1/4 teaspoon ground black pepper
• 3 carrots (scrubbed and cut into 1/2 to 3/4-inch pieces)
• 8 cups broccoli florets (about 2 heads)
• 3 cups cauliflower florets (about 12 ounces or 1 small head)
• 2 cloves garlic (minced, about 2 teaspoons)
• 4 cups low sodium chicken broth or vegetable broth
• 1/2 cup 2% milk (whole milk, or half-and-half (the higher the fat, the richer the soup))
• 1 to 2 teaspoons Dijon mustard (to taste (I use 2))
• 1/4 teaspoon ground nutmeg
• Pinch cayenne pepper (optional)
• 4 ounces extra sharp cheddar cheese
• 1 tablespoon cornstarch
• 1/4 cup finely grated Parmesan or 3 tablespoons nutritional yeast