Wheat pancakes

Ingredients

• 3 T Butter as needed
• 1 cup whole-wheat flour
• 2/3 cup buckwheat flour
• 2 tablespoons sugar
• 1 tablespoon baking powder
• 1/2 teaspoon ground coriander or cardamom
• 1/2 teaspoon ground cinnamon
• 1/2 teaspoon salt
• 2 large eggs, separated
• 2 cups milk