Zuppa Toscana with Grainy Mustard - Spread the Mustard

Ingredients

• 2 Tbsp canola oil
• 1 lb spicy Italian sausage, removed from casings
• 1 yellow onion, diced
• 2 garlic cloves, minced
• 2 Tbsp flour
• 6 cups chicken broth
• 4 cups halved yellow baby potatoes
• 1 cup whipping cream
• 1 Tbsp grainy mustard
• ½ bunch kale, stems removed and torn into bite-sized pieces
• salt and pepper to taste
• grated Parmesan cheese, for serving