In a large mixing bowl, whisk together flour, sugar, salt, baking powder and baking soda. Set aside.
In a separate mixing bowl, mash the bananas with a fork. Then, pour in the milk, sourdough discard, melted butter, vanilla extract, and egg. Whisk together until combined.
Pour the wet ingredients into the dry ingredients. Mix until just combined.
Heat your skillet to medium heat. Place some butter and let melt. Sprinkle a pinch of salt onto the skillet. Pour ⅓ cup of pancake batter into the hot skillet. Cook until golden brown on the sides and you see numerous holes on the top (roughly 2-3 minutes). Flip the pancake and cook for an additional minute.
Repeat for the remainder of the pancake batter.
Notes
Check my post for detailed pictures. I have step-by-step pictures that are easy to follow. Moreover, I've written descriptive instructions.
Do NOT overmix the pancake batter! Overmixing will lead to flat pancakes. Check my post to see pictures of the correct batter consistency
Use ripe bananas. The more ripe the banana, the sweeter the pancakes will be.
Do NOT press down on the pancakes as they cook. Pressing down with your spatula will lead to flat, dense pancakes.
Grease your skillet with butter and sprinkle salt before adding pancake batter. This is a great way to get perfectly buttered pancakes.
To Store: Store covered in the fridge for up to three days. You can also freeze the pancakes for up to three months.