Preheat oven to 350 degrees.
Spray bundt pan generously with non stick spray
In a medium sized bowl whisk together the flour, baking soda and vanilla salt. Set aside.
Coat peaches with remaining 2 tablespoons of flour. Set aside.
In a stand mixer beat together 2 cups of butter with 2 cups of sugar. Beat until fluffy.
Add eggs, one at a time, and mix until combined.
Now turn mixer on low and add 1/2 the flour, then half the yogurt slowly, then repeat. (1/2 flour and 1/2 the yogurt again, slowly)
Fold in peaches and vanilla extract.
Transfer to well sprayed bundt pan. Spread evenly. Tap pan gently on counter. Place in preheated oven for 45 to 60 minutes, toothpick should come out clean when inserted.
Remove from oven and transfer pan to a wire rack to cool.
Once cool you can flip it over onto a plate carefully. If you've sprayed well it should release easily.