Keto Recipe: Cheddar-Spinach Souffle

Ingredients

• 2 Tbsp unsalted butter, softened to room temperature
• 2 Tbsp finely grated Parmesan cheese
• 2 cups lightly packed spinach leaves (2 oz)
• 1/2 tsp sea salt
• 1/4 tsp freshly ground pepper
• 1/4 cup almond flour
• 1/4 tsp xanthan gum
• 1/8 tsp nutmeg
• 4 large eggs, yolks and white separated, at room temperature
• 1/2 cup heavy cream
• 2 tsp dijon mustard
• 1 cup (4 oz) shredded aged cheddar cheese