Creamy Mustard Chicken

Name: Creamy Mustard Chicken
Cuisine: European, British
Ingredients: 2 Tbsp (40ml) - Olive Oil, Divided; 2 Tbsp (28g) - Clarified Unsalted Butter; 1 - Brown Onion, Diced; 5g - Flat Leaf Parsley, Roughly Chopped; 4g (5 Sprigs) - Thyme, Roughly Chopped; 5 - Cloves of Garlic, Minced, Diced, or Sliced; 200g - Streaky Bacon, Diced; 1kg (2.2lb) - Chicken Thigh, Boneless & Skinless; 80ml - White Wine (Substitute for Vegetable or Chicken; Stock); 500ml - Thickened Cream (Pouring Cream/Whipping Cream); 2 1/2 Tbsp (60g) - Dijon Mustard; 1/2 Cup (50g) - Parmesan Cheese, Grated; 2 Cups (80g) - Fresh Baby Spinach; Seasoning to Taste; Garnish with Grated Parmesan; Garnish with Flat Leaf Parsley