Savory Pumpkin Souffle with Sage and Brown Butter - Draeger's Market

Ingredients

• 3 tablespoons butter, plus more for baking dishes
• 2 tablespoons grated parmesan cheese
• ½ small yellow onion, finely chopped (½ cup)
• 1 small garlic clove, minced
• 1 teaspoon fresh sage, finely chopped
• ½ teaspoon kosher salt
• ¼ teaspoon ground pepper
• 1 tablespoon unbleached all-purpose flour
• 1/2 cup whole milk
• 3/4 cup coarsely grated Gruyere cheese
• 1 cup canned pumpkin puree
• 3 large eggs, separated