Preheat the oven to 350F. Line an 8x8 glass pan with parchment paper.
Place drained dates, coconut butter, honey, eggs, vanilla, and beans in a food processor. Blend until smooth.
Add oats, cinnamon, baking powder, baking soda, mesquite flour (if using), and salt. Blend again leaving some oats coarsely chopped for texture.
Pulse in pecans.
Pour the batter into the prepared pan and bake for 20 - 25 minutes, until center is cooked. Cool before serving.