In a medium bowl, whisk together flour, sugar, salt, baking soda, cinnamon, and baking powder.
Add diced peaches and toss gently to coat.
In a large bowl, beat eggs. Add buttermilk, melted butter, and vanilla. Mix to combine.
Add dry ingredients all all once to wet mixture.
Mix until just combined.
Preheat griddle to medium. You can also use a skillet over medium heat. Place just enough butter on the surface of the griddle to coat it throughout.
Using a large spoon or scant 1/4 cup measuring cup, pour batter onto griddle.
Cook until bubbles appear on the tops of the pancakes and then pop, about 5 minutes. The edges should also be somewhat dry/cooked.
With a metal spatula, carefully flip the pancake over to cook for and additional 3-5 minutes.
Place onto a serving plate, and top with fresh peach slices, if desired. Serve with maple syrup.
