Cauliflower White Cheddar Cheese Soup

INGREDIENTS

3 tbsp

butter

large sweet onion, diced

medium head cauliflower, trimmed and cut into 1 1/2-inch pieces

4 cups

chicken broth (or vegetable for Vegetarian), plus more if desired

5 1/2 oz

sharp white cheddar, grated (1 1/2 cups) (I use Tillamook)

Coarse salt and ground pepper

1/8 tsp

cayenne pepper

Cilantro, chopped (optional)