Creamy Orzo with Chicken, Spinach, and Parmesan

Ingredients

• 700 g Chicken Breasts
  or boneless thighs (diced)
• 2 tbsp Olive Oil
• 1 pc Onion
  finely chopped
• 2-3 cloves Garlic
• 300 g Pasta
  orzo (rice pasta)
• 300 ml Chicken Broth
• 200 ml Cooking cream
• 80 g Parmesan
  (or Grana) + a little for serving
• 80 g Spinach
  baby
• 10 pcs Sun-Dried Tomatoes
  in oil (sliced) - optional but recommended
• 1 tsp Dijon mustard
  balances the flavor
• Salt
  to taste
• Ground black pepper
  to taste
• Lemon Juice
  a few drops at the end
• 1 tbsp Butter
  for glossiness, optional