Keto Zuppa Toscana Soup (Olive Garden Copycat Recipe)

Ingredients

• 1 pound Italian sausage
• 1 small onion, chopped
• 3 cloves garlic, minced
• 1/2 teaspoon red pepper flakes
• 1/4 teaspoon black pepper
• 1/2 teaspoon salt or more to taste
• 1 head cauliflower, cut into small florets
• 16 oz. chicken broth
• 1 quart water
• 1 teaspoon chicken bouillon (if desired for extra flavor)
• 3 cups kale or Swiss chard, chopped
• 1 cup heavy cream