Multi-Grain Breakfast Pancakes

Ingredients

• 2 78 ounces barley groats (ground into fine flour)
• 2 78 ounces oat flour
• 2 78 ounces white whole wheat flour
• 2 78 ounces navy beans (ground into fine flour)
• 3 teaspoons baking powder
• 1 teaspoon baking soda
• 6 tablespoons sugar
• 1 teaspoon salt
• 1 teaspoon vanilla
• 4 eggs
• 3 cups buttermilk
• 6 tablespoons butter