Roasted Butternut Squash Soufflé - Chefwiz

Ingredients

• 1 tbsp granulated sugar (, or as desired)
• 1 butternut squash (approximately 2 lbs) (, cut in half and seeds removed)
• 1/4 cup all-purpose flour
• 1/2 tsp baking powder
• 1/4 tsp salt
• 1/2 cup unsalted butter (, softened)
• 1/4 cup granulated sugar
• 1/4 cup brown sugar
• 1 tsp vanilla extract
• 1/2 tsp ground cinnamon
• 1/4 tsp ground nutmeg
• 3 large eggs (, at room temperature, separated)