Creamy Tuscan Potato Soup

Ingredients

• 2 Tbsp. olive oil, divided
• 1 pound Italian-style turkey sausage
• 1 yellow onion, diced
• 2 cloves garlic, minced
• 1/2 tsp red pepper flakes
• 1 bag (1.5 pound) petite yellow potatoes, sliced in half
• 6 cups chicken stock
• 1 bunch kale, stems removed and chopped
• 1 1/2 cups heavy cream
• Grated Parmesan cheese, for serving