01 -
Heat oven to 170°F (keep warm setting).
02 -
Set out 3 mixing bowls: large, medium, and small.
03 -
Add butter to large bowl and microwave until melted. Set aside to cool slightly.
04 -
In medium bowl, whisk together flour, sugar, salt, baking soda, and baking powder.
05 -
Add buttermilk and milk to the melted butter. Separate eggs, adding whites to small bowl and yolks to the wet ingredients. Whisk in yolks.
06 -
Beat egg whites for about 20 seconds until slightly bubbly.
07 -
Add buttermilk mixture to dry ingredients and stir gently with wooden spoon just until barely combined with some flour streaks still visible.
08 -
Gently fold egg whites into batter. Some streaks of egg white are acceptable.
09 -
Heat griddle or large frying pan over medium heat.
10 -
Grease hot griddle with bacon grease. Scoop batter using 1/2 cup measurement. When bubbles on top start to pop, flip pancakes. Cook additional 2-3 minutes until golden on both sides.
11 -
Transfer cooked pancakes to a cooling rack and keep warm in preheated oven while cooking remaining batter.
12 -
Serve with butter and maple syrup.