Blini | Saveur

Ingredients

• 1 packet active dry yeast (2¼ tsp.)
• 1 tsp. sugar
• 2¾ cups lukewarm whole milk, divided, plus more as needed
• ¼ cup unsalted butter, melted, plus more for drizzling
• 1 cup buckwheat flour
• 1 cup all-purpose flour
• ¾ tsp. kosher salt
• 3 large eggs, separated
• Anson Mills toasted oat flour, for garnish (optional)