Savoury & Spicy Cheese Soufflé

Ingredients

• 4 tbsp / 1/4 cup unsalted butter (reserve 1 tbsp for greasing the dish)
• 3-4 tbsp / 1/4 cup all-purpose flour
• 1 cup / 250 ml whole milk, hot
• 1 tsp / 5 ml Dijon mustard
• 1/4 tsp / 1 ml Kashmiri chili powder
• 4 Naturegg Omega-3 eggs, yolks
• 2/3 cup / 150 ml Naturegg Simply Egg Whites
• 1 tsp / 5 ml fresh wild thyme leaves
• 1/2 tsp / 2.5 ml cream of tartar, optional
• 1/3 cup / 3 oz Gruyère or cheddar cheese, freshly grated
• 1/2 cup / 125 ml Parmigiano-Reggiano or Grana Padano cheese, grated for dusting the dish
• 1/2 tsp / 2.5 ml kosher salt, to taste
• 1/2 tsp / 2.5 ml white pepper, to taste