Sausage and Kale Rigatoni - Family Life

Ingredients

• 1 Pound Mild Italian Sausage
• 1 Medium Yellow Onion, Diced
• 3-4 Garlic Cloves, Minced
• 1 Tbsp Butter + 3 Tbsp Butter
• 1/2 Tsp Salt
• 1/4 Tsp Black Pepper
• 1 Pinch Red Pepper Flakes
• 4-5 Cups Chopped Kale
• 2 Cups Chicken Stock
• 2 Cups Parmesan Cheese
• 2 Roma Tomatoes, Seeds removed and Diced
• 1 Pound Mezzi Rigatoni