Rigatoni with Chicken and Dill Meatballs

Ingredients

• • 1/2 recipe chicken and dill meatballs, uncooked (see note)
  • red onion, thinly sliced
  • 1 tbsp (15 ml) olive oil
  • 1 lb (450 g) rigatoni
  • 3/4 cup (180 ml) 15% cooking cream or 35% cream
  • 2 tbsp (30 ml) lemon juice
  • 1/4 tsp red pepper flakes
  • 6 cups (180 g) kale leaves, stems removed, leaves thinly sliced