Pre-heat oven 350.
Line 8x8 baking dish w Parchment Paper, allowing paper to drape over sides. These will serve as "handles" to easily lift the cake from the dish!
In a large bowl, mix flour, baking powder, soda and salt. Set aside.
In a small bowl, whisk together eggs, vanilla, maple syrup, greek yogurt and coconut oil until incorporated.
Add wet mixture to dry, and stir just enough to combine. Stir in chopped apples.
Add half the batter to the baking dish. Sprinkle half of the cinnamon & half of the pecans over the top.
Top with remaining batter, and other half of the cinnamon & pecans.
Bake 35-45 minutes OR until a knife inserted in the middle comes up clean! Baking time will depend on your oven so be sure to check!
Remove cake from dish immediately, placing on a wire rack to cool.
Slice & enjoy!